annotate lwcc/parse_c.c @ 574:a0c9433dc0d4 default tip

Updated submission guidelines including notes about evangelism. TLDR: Don't.
author William Astle <lost@l-w.ca>
date Mon, 04 Mar 2024 10:10:38 -0700
parents a3e277c58df9
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1 /* Driver template for the LEMON parser generator.
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2 ** The author disclaims copyright to this source code.
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3 */
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4 /* First off, code is included that follows the "include" declaration
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5 ** in the input grammar file. */
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6 #include <stdio.h>
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7 #line 1 "lwcc/parse_c.y"
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8
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9 #include <assert.h> // only needed due to a bug in lemon
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10 #include <stdio.h>
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11 #include "parse.h"
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12 #include "tree.h"
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13 #line 14 "lwcc/parse_c.c"
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14 /* Next is all token values, in a form suitable for use by makeheaders.
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15 ** This section will be null unless lemon is run with the -m switch.
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16 */
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17 /*
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18 ** These constants (all generated automatically by the parser generator)
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19 ** specify the various kinds of tokens (terminals) that the parser
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20 ** understands.
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21 **
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22 ** Each symbol here is a terminal symbol in the grammar.
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23 */
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24 /* Make sure the INTERFACE macro is defined.
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25 */
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26 #ifndef INTERFACE
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27 # define INTERFACE 1
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28 #endif
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29 /* The next thing included is series of defines which control
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30 ** various aspects of the generated parser.
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31 ** YYCODETYPE is the data type used for storing terminal
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32 ** and nonterminal numbers. "unsigned char" is
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33 ** used if there are fewer than 250 terminals
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34 ** and nonterminals. "int" is used otherwise.
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35 ** YYNOCODE is a number of type YYCODETYPE which corresponds
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36 ** to no legal terminal or nonterminal number. This
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37 ** number is used to fill in empty slots of the hash
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38 ** table.
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39 ** YYFALLBACK If defined, this indicates that one or more tokens
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40 ** have fall-back values which should be used if the
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41 ** original value of the token will not parse.
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42 ** YYACTIONTYPE is the data type used for storing terminal
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43 ** and nonterminal numbers. "unsigned char" is
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44 ** used if there are fewer than 250 rules and
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45 ** states combined. "int" is used otherwise.
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46 ** ParseTOKENTYPE is the data type used for minor tokens given
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47 ** directly to the parser from the tokenizer.
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48 ** YYMINORTYPE is the data type used for all minor tokens.
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49 ** This is typically a union of many types, one of
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50 ** which is ParseTOKENTYPE. The entry in the union
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51 ** for base tokens is called "yy0".
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52 ** YYSTACKDEPTH is the maximum depth of the parser's stack. If
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53 ** zero the stack is dynamically sized using realloc()
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54 ** ParseARG_SDECL A static variable declaration for the %extra_argument
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55 ** ParseARG_PDECL A parameter declaration for the %extra_argument
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56 ** ParseARG_STORE Code to store %extra_argument into yypParser
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57 ** ParseARG_FETCH Code to extract %extra_argument from yypParser
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58 ** YYNSTATE the combined number of states.
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59 ** YYNRULE the number of rules in the grammar
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60 ** YYERRORSYMBOL is the code number of the error symbol. If not
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61 ** defined, then do no error processing.
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62 */
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63 #define YYCODETYPE unsigned char
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64 #define YYNOCODE 30
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65 #define YYACTIONTYPE unsigned char
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66 #define ParseTOKENTYPE struct tokendata *
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67 typedef union {
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68 int yyinit;
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69 ParseTOKENTYPE yy0;
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70 node_t * yy18;
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71 } YYMINORTYPE;
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72 #ifndef YYSTACKDEPTH
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73 #define YYSTACKDEPTH 100
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74 #endif
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75 #define ParseARG_SDECL struct parserinfo *pinfo ;
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76 #define ParseARG_PDECL , struct parserinfo *pinfo
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77 #define ParseARG_FETCH struct parserinfo *pinfo = yypParser->pinfo
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78 #define ParseARG_STORE yypParser->pinfo = pinfo
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79 #define YYNSTATE 36
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80 #define YYNRULE 30
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81 #define YY_NO_ACTION (YYNSTATE+YYNRULE+2)
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82 #define YY_ACCEPT_ACTION (YYNSTATE+YYNRULE+1)
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83 #define YY_ERROR_ACTION (YYNSTATE+YYNRULE)
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84
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85 /* The yyzerominor constant is used to initialize instances of
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86 ** YYMINORTYPE objects to zero. */
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87 static const YYMINORTYPE yyzerominor = { 0 };
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88
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89 /* Define the yytestcase() macro to be a no-op if is not already defined
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90 ** otherwise.
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91 **
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92 ** Applications can choose to define yytestcase() in the %include section
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93 ** to a macro that can assist in verifying code coverage. For production
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94 ** code the yytestcase() macro should be turned off. But it is useful
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95 ** for testing.
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96 */
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97 #ifndef yytestcase
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98 # define yytestcase(X)
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99 #endif
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100
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101
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102 /* Next are the tables used to determine what action to take based on the
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103 ** current state and lookahead token. These tables are used to implement
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104 ** functions that take a state number and lookahead value and return an
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105 ** action integer.
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106 **
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107 ** Suppose the action integer is N. Then the action is determined as
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108 ** follows
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109 **
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110 ** 0 <= N < YYNSTATE Shift N. That is, push the lookahead
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111 ** token onto the stack and goto state N.
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112 **
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113 ** YYNSTATE <= N < YYNSTATE+YYNRULE Reduce by rule N-YYNSTATE.
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114 **
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115 ** N == YYNSTATE+YYNRULE A syntax error has occurred.
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116 **
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117 ** N == YYNSTATE+YYNRULE+1 The parser accepts its input.
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118 **
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119 ** N == YYNSTATE+YYNRULE+2 No such action. Denotes unused
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120 ** slots in the yy_action[] table.
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121 **
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122 ** The action table is constructed as a single large table named yy_action[].
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123 ** Given state S and lookahead X, the action is computed as
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124 **
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125 ** yy_action[ yy_shift_ofst[S] + X ]
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126 **
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127 ** If the index value yy_shift_ofst[S]+X is out of range or if the value
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128 ** yy_lookahead[yy_shift_ofst[S]+X] is not equal to X or if yy_shift_ofst[S]
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129 ** is equal to YY_SHIFT_USE_DFLT, it means that the action is not in the table
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130 ** and that yy_default[S] should be used instead.
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131 **
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132 ** The formula above is for computing the action when the lookahead is
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133 ** a terminal symbol. If the lookahead is a non-terminal (as occurs after
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134 ** a reduce action) then the yy_reduce_ofst[] array is used in place of
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135 ** the yy_shift_ofst[] array and YY_REDUCE_USE_DFLT is used in place of
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136 ** YY_SHIFT_USE_DFLT.
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137 **
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138 ** The following are the tables generated in this section:
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139 **
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140 ** yy_action[] A single table containing all actions.
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141 ** yy_lookahead[] A table containing the lookahead for each entry in
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142 ** yy_action. Used to detect hash collisions.
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143 ** yy_shift_ofst[] For each state, the offset into yy_action for
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144 ** shifting terminals.
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145 ** yy_reduce_ofst[] For each state, the offset into yy_action for
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146 ** shifting non-terminals after a reduce.
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147 ** yy_default[] Default action for each state.
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148 */
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149 #define YY_ACTTAB_COUNT (44)
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150 static const YYACTIONTYPE yy_action[] = {
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151 /* 0 */ 36, 27, 26, 29, 24, 23, 22, 7, 3, 2,
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152 /* 10 */ 16, 9, 14, 35, 34, 33, 6, 8, 25, 18,
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153 /* 20 */ 16, 9, 14, 21, 10, 10, 32, 20, 20, 30,
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154 /* 30 */ 67, 1, 19, 28, 15, 5, 4, 68, 11, 68,
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155 /* 40 */ 17, 31, 13, 12,
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156 };
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157 static const YYCODETYPE yy_lookahead[] = {
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158 /* 0 */ 0, 2, 3, 16, 4, 5, 6, 7, 8, 9,
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159 /* 10 */ 10, 11, 12, 20, 21, 22, 23, 7, 25, 26,
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160 /* 20 */ 10, 11, 12, 6, 7, 7, 1, 10, 10, 1,
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161 /* 30 */ 18, 19, 10, 14, 10, 24, 27, 29, 13, 29,
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162 /* 40 */ 26, 28, 26, 15,
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163 };
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164 #define YY_SHIFT_USE_DFLT (-14)
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165 #define YY_SHIFT_COUNT (12)
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166 #define YY_SHIFT_MIN (-13)
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167 #define YY_SHIFT_MAX (28)
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168 static const signed char yy_shift_ofst[] = {
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169 /* 0 */ -14, 0, 10, 10, 28, 25, -1, 17, 18, 24,
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170 /* 10 */ 22, 19, -13,
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171 };
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172 #define YY_REDUCE_USE_DFLT (-8)
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173 #define YY_REDUCE_COUNT (6)
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174 #define YY_REDUCE_MIN (-7)
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175 #define YY_REDUCE_MAX (16)
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176 static const signed char yy_reduce_ofst[] = {
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177 /* 0 */ 12, -7, 16, 14, 13, 9, 11,
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178 };
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179 static const YYACTIONTYPE yy_default[] = {
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180 /* 0 */ 38, 66, 51, 50, 66, 66, 66, 55, 55, 58,
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181 /* 10 */ 57, 66, 66, 52, 61, 60, 54, 53, 49, 59,
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182 /* 20 */ 56, 48, 47, 46, 45, 43, 44, 42, 64, 65,
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183 /* 30 */ 63, 62, 41, 40, 39, 37,
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184 };
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185
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186 /* The next table maps tokens into fallback tokens. If a construct
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187 ** like the following:
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188 **
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189 ** %fallback ID X Y Z.
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190 **
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191 ** appears in the grammar, then ID becomes a fallback token for X, Y,
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192 ** and Z. Whenever one of the tokens X, Y, or Z is input to the parser
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193 ** but it does not parse, the type of the token is changed to ID and
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194 ** the parse is retried before an error is thrown.
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195 */
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196 #ifdef YYFALLBACK
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197 static const YYCODETYPE yyFallback[] = {
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198 };
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199 #endif /* YYFALLBACK */
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200
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201 /* The following structure represents a single element of the
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202 ** parser's stack. Information stored includes:
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203 **
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204 ** + The state number for the parser at this level of the stack.
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205 **
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206 ** + The value of the token stored at this level of the stack.
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207 ** (In other words, the "major" token.)
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208 **
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209 ** + The semantic value stored at this level of the stack. This is
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210 ** the information used by the action routines in the grammar.
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211 ** It is sometimes called the "minor" token.
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212 */
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213 struct yyStackEntry {
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214 YYACTIONTYPE stateno; /* The state-number */
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215 YYCODETYPE major; /* The major token value. This is the code
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216 ** number for the token at this stack level */
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217 YYMINORTYPE minor; /* The user-supplied minor token value. This
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218 ** is the value of the token */
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219 };
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220 typedef struct yyStackEntry yyStackEntry;
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221
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222 /* The state of the parser is completely contained in an instance of
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223 ** the following structure */
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224 struct yyParser {
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225 int yyidx; /* Index of top element in stack */
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226 #ifdef YYTRACKMAXSTACKDEPTH
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227 int yyidxMax; /* Maximum value of yyidx */
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228 #endif
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229 int yyerrcnt; /* Shifts left before out of the error */
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230 ParseARG_SDECL /* A place to hold %extra_argument */
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231 #if YYSTACKDEPTH<=0
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232 int yystksz; /* Current side of the stack */
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233 yyStackEntry *yystack; /* The parser's stack */
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234 #else
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235 yyStackEntry yystack[YYSTACKDEPTH]; /* The parser's stack */
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236 #endif
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237 };
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238 typedef struct yyParser yyParser;
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239
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240 #ifndef NDEBUG
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241 #include <stdio.h>
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242 static FILE *yyTraceFILE = 0;
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243 static char *yyTracePrompt = 0;
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244 #endif /* NDEBUG */
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245
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246 #ifndef NDEBUG
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247 /*
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248 ** Turn parser tracing on by giving a stream to which to write the trace
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249 ** and a prompt to preface each trace message. Tracing is turned off
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250 ** by making either argument NULL
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251 **
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252 ** Inputs:
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253 ** <ul>
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254 ** <li> A FILE* to which trace output should be written.
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255 ** If NULL, then tracing is turned off.
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256 ** <li> A prefix string written at the beginning of every
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257 ** line of trace output. If NULL, then tracing is
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258 ** turned off.
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259 ** </ul>
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260 **
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261 ** Outputs:
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262 ** None.
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263 */
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264 void ParseTrace(FILE *TraceFILE, char *zTracePrompt){
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265 yyTraceFILE = TraceFILE;
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266 yyTracePrompt = zTracePrompt;
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267 if( yyTraceFILE==0 ) yyTracePrompt = 0;
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268 else if( yyTracePrompt==0 ) yyTraceFILE = 0;
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269 }
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270 #endif /* NDEBUG */
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271
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272 #ifndef NDEBUG
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273 /* For tracing shifts, the names of all terminals and nonterminals
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274 ** are required. The following table supplies these names */
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275 static const char *const yyTokenName[] = {
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276 "$", "ENDS", "IDENTIFIER", "STAR",
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277 "KW_VOID", "KW_FLOAT", "KW_DOUBLE", "KW_LONG",
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278 "KW_UNSIGNED", "KW_SIGNED", "KW_INT", "KW_SHORT",
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279 "KW_CHAR", "OPAREN", "CPAREN", "OBRACE",
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280 "CBRACE", "error", "program", "rprogram",
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281 "globaldecl", "vardecl", "fundecl", "datatype",
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282 "ident", "typename", "baseint", "arglist",
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283 "statementblock",
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284 };
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285 #endif /* NDEBUG */
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286
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287 #ifndef NDEBUG
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288 /* For tracing reduce actions, the names of all rules are required.
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289 */
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290 static const char *const yyRuleName[] = {
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291 /* 0 */ "program ::= rprogram",
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292 /* 1 */ "rprogram ::= rprogram globaldecl",
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293 /* 2 */ "rprogram ::=",
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294 /* 3 */ "globaldecl ::= vardecl",
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295 /* 4 */ "globaldecl ::= fundecl",
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296 /* 5 */ "vardecl ::= datatype ident ENDS",
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297 /* 6 */ "ident ::= IDENTIFIER",
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298 /* 7 */ "datatype ::= typename",
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299 /* 8 */ "datatype ::= datatype STAR",
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300 /* 9 */ "typename ::= KW_VOID",
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diff changeset
301 /* 10 */ "typename ::= KW_FLOAT",
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diff changeset
302 /* 11 */ "typename ::= KW_DOUBLE",
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303 /* 12 */ "typename ::= KW_LONG KW_DOUBLE",
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parents:
diff changeset
304 /* 13 */ "typename ::= baseint",
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parents:
diff changeset
305 /* 14 */ "typename ::= KW_UNSIGNED",
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parents:
diff changeset
306 /* 15 */ "typename ::= KW_SIGNED",
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parents:
diff changeset
307 /* 16 */ "typename ::= KW_SIGNED baseint",
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parents:
diff changeset
308 /* 17 */ "typename ::= KW_UNSIGNED baseint",
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diff changeset
309 /* 18 */ "baseint ::= KW_INT",
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310 /* 19 */ "baseint ::= KW_LONG",
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parents:
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311 /* 20 */ "baseint ::= KW_LONG KW_INT",
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312 /* 21 */ "baseint ::= KW_LONG KW_LONG",
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313 /* 22 */ "baseint ::= KW_SHORT",
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parents:
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314 /* 23 */ "baseint ::= KW_LONG KW_LONG KW_INT",
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diff changeset
315 /* 24 */ "baseint ::= KW_SHORT KW_INT",
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parents:
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316 /* 25 */ "baseint ::= KW_CHAR",
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317 /* 26 */ "fundecl ::= datatype ident arglist statementblock",
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318 /* 27 */ "fundecl ::= datatype ident arglist ENDS",
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319 /* 28 */ "arglist ::= OPAREN CPAREN",
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320 /* 29 */ "statementblock ::= OBRACE CBRACE",
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321 };
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322 #endif /* NDEBUG */
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parents:
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323
a3e277c58df9 Checkpoint parser development for lwcc
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parents:
diff changeset
324
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325 #if YYSTACKDEPTH<=0
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326 /*
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327 ** Try to increase the size of the parser stack.
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328 */
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329 static void yyGrowStack(yyParser *p){
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330 int newSize;
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331 yyStackEntry *pNew;
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332
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333 newSize = p->yystksz*2 + 100;
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parents:
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334 pNew = realloc(p->yystack, newSize*sizeof(pNew[0]));
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335 if( pNew ){
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parents:
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336 p->yystack = pNew;
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337 p->yystksz = newSize;
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diff changeset
338 #ifndef NDEBUG
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339 if( yyTraceFILE ){
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340 fprintf(yyTraceFILE,"%sStack grows to %d entries!\n",
a3e277c58df9 Checkpoint parser development for lwcc
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parents:
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341 yyTracePrompt, p->yystksz);
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342 }
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parents:
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343 #endif
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344 }
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345 }
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346 #endif
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347
a3e277c58df9 Checkpoint parser development for lwcc
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348 /*
a3e277c58df9 Checkpoint parser development for lwcc
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parents:
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349 ** This function allocates a new parser.
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350 ** The only argument is a pointer to a function which works like
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351 ** malloc.
a3e277c58df9 Checkpoint parser development for lwcc
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352 **
a3e277c58df9 Checkpoint parser development for lwcc
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353 ** Inputs:
a3e277c58df9 Checkpoint parser development for lwcc
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354 ** A pointer to the function used to allocate memory.
a3e277c58df9 Checkpoint parser development for lwcc
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355 **
a3e277c58df9 Checkpoint parser development for lwcc
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356 ** Outputs:
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357 ** A pointer to a parser. This pointer is used in subsequent calls
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358 ** to Parse and ParseFree.
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359 */
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360 void *ParseAlloc(void *(*mallocProc)(size_t)){
a3e277c58df9 Checkpoint parser development for lwcc
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361 yyParser *pParser;
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parents:
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362 pParser = (yyParser*)(*mallocProc)( (size_t)sizeof(yyParser) );
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363 if( pParser ){
a3e277c58df9 Checkpoint parser development for lwcc
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364 pParser->yyidx = -1;
a3e277c58df9 Checkpoint parser development for lwcc
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parents:
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365 #ifdef YYTRACKMAXSTACKDEPTH
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366 pParser->yyidxMax = 0;
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367 #endif
a3e277c58df9 Checkpoint parser development for lwcc
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parents:
diff changeset
368 #if YYSTACKDEPTH<=0
a3e277c58df9 Checkpoint parser development for lwcc
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369 pParser->yystack = NULL;
a3e277c58df9 Checkpoint parser development for lwcc
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parents:
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370 pParser->yystksz = 0;
a3e277c58df9 Checkpoint parser development for lwcc
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parents:
diff changeset
371 yyGrowStack(pParser);
a3e277c58df9 Checkpoint parser development for lwcc
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parents:
diff changeset
372 #endif
a3e277c58df9 Checkpoint parser development for lwcc
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parents:
diff changeset
373 }
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parents:
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374 return pParser;
a3e277c58df9 Checkpoint parser development for lwcc
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parents:
diff changeset
375 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
376
a3e277c58df9 Checkpoint parser development for lwcc
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parents:
diff changeset
377 /* The following function deletes the value associated with a
a3e277c58df9 Checkpoint parser development for lwcc
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parents:
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378 ** symbol. The symbol can be either a terminal or nonterminal.
a3e277c58df9 Checkpoint parser development for lwcc
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parents:
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379 ** "yymajor" is the symbol code, and "yypminor" is a pointer to
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
380 ** the value.
a3e277c58df9 Checkpoint parser development for lwcc
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parents:
diff changeset
381 */
a3e277c58df9 Checkpoint parser development for lwcc
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parents:
diff changeset
382 static void yy_destructor(
a3e277c58df9 Checkpoint parser development for lwcc
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parents:
diff changeset
383 yyParser *yypParser, /* The parser */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
384 YYCODETYPE yymajor, /* Type code for object to destroy */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
385 YYMINORTYPE *yypminor /* The object to be destroyed */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
386 ){
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
387 ParseARG_FETCH;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
388 switch( yymajor ){
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
389 /* Here is inserted the actions which take place when a
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
390 ** terminal or non-terminal is destroyed. This can happen
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
391 ** when the symbol is popped from the stack during a
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
392 ** reduce or during error processing or when a parser is
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
393 ** being destroyed before it is finished parsing.
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
394 **
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
395 ** Note: during a reduce, the only symbols destroyed are those
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
396 ** which appear on the RHS of the rule, but which are not used
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
397 ** inside the C code.
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
398 */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
399 /* TERMINAL Destructor */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
400 case 1: /* ENDS */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
401 case 2: /* IDENTIFIER */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
402 case 3: /* STAR */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
403 case 4: /* KW_VOID */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
404 case 5: /* KW_FLOAT */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
405 case 6: /* KW_DOUBLE */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
406 case 7: /* KW_LONG */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
407 case 8: /* KW_UNSIGNED */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
408 case 9: /* KW_SIGNED */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
409 case 10: /* KW_INT */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
410 case 11: /* KW_SHORT */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
411 case 12: /* KW_CHAR */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
412 case 13: /* OPAREN */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
413 case 14: /* CPAREN */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
414 case 15: /* OBRACE */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
415 case 16: /* CBRACE */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
416 {
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
417 #line 10 "lwcc/parse_c.y"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
418 tokendata_free((yypminor->yy0));
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
419 #line 420 "lwcc/parse_c.c"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
420 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
421 break;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
422 default: break; /* If no destructor action specified: do nothing */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
423 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
424 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
425
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
426 /*
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
427 ** Pop the parser's stack once.
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
428 **
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
429 ** If there is a destructor routine associated with the token which
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
430 ** is popped from the stack, then call it.
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
431 **
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
432 ** Return the major token number for the symbol popped.
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
433 */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
434 static int yy_pop_parser_stack(yyParser *pParser){
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
435 YYCODETYPE yymajor;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
436 yyStackEntry *yytos = &pParser->yystack[pParser->yyidx];
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
437
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
438 if( pParser->yyidx<0 ) return 0;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
439 #ifndef NDEBUG
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
440 if( yyTraceFILE && pParser->yyidx>=0 ){
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
441 fprintf(yyTraceFILE,"%sPopping %s\n",
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
442 yyTracePrompt,
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
443 yyTokenName[yytos->major]);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
444 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
445 #endif
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
446 yymajor = yytos->major;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
447 yy_destructor(pParser, yymajor, &yytos->minor);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
448 pParser->yyidx--;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
449 return yymajor;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
450 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
451
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
452 /*
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
453 ** Deallocate and destroy a parser. Destructors are all called for
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
454 ** all stack elements before shutting the parser down.
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
455 **
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
456 ** Inputs:
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
457 ** <ul>
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
458 ** <li> A pointer to the parser. This should be a pointer
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
459 ** obtained from ParseAlloc.
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
460 ** <li> A pointer to a function used to reclaim memory obtained
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
461 ** from malloc.
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
462 ** </ul>
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
463 */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
464 void ParseFree(
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
465 void *p, /* The parser to be deleted */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
466 void (*freeProc)(void*) /* Function used to reclaim memory */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
467 ){
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
468 yyParser *pParser = (yyParser*)p;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
469 if( pParser==0 ) return;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
470 while( pParser->yyidx>=0 ) yy_pop_parser_stack(pParser);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
471 #if YYSTACKDEPTH<=0
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
472 free(pParser->yystack);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
473 #endif
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
474 (*freeProc)((void*)pParser);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
475 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
476
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
477 /*
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
478 ** Return the peak depth of the stack for a parser.
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
479 */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
480 #ifdef YYTRACKMAXSTACKDEPTH
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
481 int ParseStackPeak(void *p){
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
482 yyParser *pParser = (yyParser*)p;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
483 return pParser->yyidxMax;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
484 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
485 #endif
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
486
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
487 /*
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
488 ** Find the appropriate action for a parser given the terminal
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
489 ** look-ahead token iLookAhead.
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
490 **
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
491 ** If the look-ahead token is YYNOCODE, then check to see if the action is
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
492 ** independent of the look-ahead. If it is, return the action, otherwise
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
493 ** return YY_NO_ACTION.
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
494 */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
495 static int yy_find_shift_action(
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
496 yyParser *pParser, /* The parser */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
497 YYCODETYPE iLookAhead /* The look-ahead token */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
498 ){
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
499 int i;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
500 int stateno = pParser->yystack[pParser->yyidx].stateno;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
501
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
502 if( stateno>YY_SHIFT_COUNT
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
503 || (i = yy_shift_ofst[stateno])==YY_SHIFT_USE_DFLT ){
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
504 return yy_default[stateno];
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
505 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
506 assert( iLookAhead!=YYNOCODE );
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
507 i += iLookAhead;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
508 if( i<0 || i>=YY_ACTTAB_COUNT || yy_lookahead[i]!=iLookAhead ){
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
509 if( iLookAhead>0 ){
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
510 #ifdef YYFALLBACK
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
511 YYCODETYPE iFallback; /* Fallback token */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
512 if( iLookAhead<sizeof(yyFallback)/sizeof(yyFallback[0])
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
513 && (iFallback = yyFallback[iLookAhead])!=0 ){
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
514 #ifndef NDEBUG
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
515 if( yyTraceFILE ){
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
516 fprintf(yyTraceFILE, "%sFALLBACK %s => %s\n",
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
517 yyTracePrompt, yyTokenName[iLookAhead], yyTokenName[iFallback]);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
518 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
519 #endif
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
520 return yy_find_shift_action(pParser, iFallback);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
521 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
522 #endif
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
523 #ifdef YYWILDCARD
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
524 {
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
525 int j = i - iLookAhead + YYWILDCARD;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
526 if(
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
527 #if YY_SHIFT_MIN+YYWILDCARD<0
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
528 j>=0 &&
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
529 #endif
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
530 #if YY_SHIFT_MAX+YYWILDCARD>=YY_ACTTAB_COUNT
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
531 j<YY_ACTTAB_COUNT &&
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
532 #endif
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
533 yy_lookahead[j]==YYWILDCARD
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
534 ){
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
535 #ifndef NDEBUG
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
536 if( yyTraceFILE ){
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
537 fprintf(yyTraceFILE, "%sWILDCARD %s => %s\n",
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
538 yyTracePrompt, yyTokenName[iLookAhead], yyTokenName[YYWILDCARD]);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
539 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
540 #endif /* NDEBUG */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
541 return yy_action[j];
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
542 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
543 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
544 #endif /* YYWILDCARD */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
545 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
546 return yy_default[stateno];
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
547 }else{
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
548 return yy_action[i];
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
549 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
550 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
551
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
552 /*
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
553 ** Find the appropriate action for a parser given the non-terminal
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
554 ** look-ahead token iLookAhead.
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
555 **
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
556 ** If the look-ahead token is YYNOCODE, then check to see if the action is
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
557 ** independent of the look-ahead. If it is, return the action, otherwise
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
558 ** return YY_NO_ACTION.
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
559 */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
560 static int yy_find_reduce_action(
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
561 int stateno, /* Current state number */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
562 YYCODETYPE iLookAhead /* The look-ahead token */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
563 ){
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
564 int i;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
565 #ifdef YYERRORSYMBOL
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
566 if( stateno>YY_REDUCE_COUNT ){
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
567 return yy_default[stateno];
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
568 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
569 #else
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
570 assert( stateno<=YY_REDUCE_COUNT );
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
571 #endif
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
572 i = yy_reduce_ofst[stateno];
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
573 assert( i!=YY_REDUCE_USE_DFLT );
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
574 assert( iLookAhead!=YYNOCODE );
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
575 i += iLookAhead;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
576 #ifdef YYERRORSYMBOL
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
577 if( i<0 || i>=YY_ACTTAB_COUNT || yy_lookahead[i]!=iLookAhead ){
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
578 return yy_default[stateno];
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
579 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
580 #else
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
581 assert( i>=0 && i<YY_ACTTAB_COUNT );
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
582 assert( yy_lookahead[i]==iLookAhead );
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
583 #endif
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
584 return yy_action[i];
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
585 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
586
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
587 /*
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
588 ** The following routine is called if the stack overflows.
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
589 */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
590 static void yyStackOverflow(yyParser *yypParser, YYMINORTYPE *yypMinor){
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
591 ParseARG_FETCH;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
592 yypParser->yyidx--;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
593 #ifndef NDEBUG
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
594 if( yyTraceFILE ){
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
595 fprintf(yyTraceFILE,"%sStack Overflow!\n",yyTracePrompt);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
596 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
597 #endif
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
598 while( yypParser->yyidx>=0 ) yy_pop_parser_stack(yypParser);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
599 /* Here code is inserted which will execute if the parser
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
600 ** stack every overflows */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
601 #line 90 "lwcc/parse_c.y"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
602
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
603 fprintf(stderr, "Parser stack overflow\n");
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
604 #line 605 "lwcc/parse_c.c"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
605 ParseARG_STORE; /* Suppress warning about unused %extra_argument var */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
606 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
607
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
608 /*
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
609 ** Perform a shift action.
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
610 */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
611 static void yy_shift(
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
612 yyParser *yypParser, /* The parser to be shifted */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
613 int yyNewState, /* The new state to shift in */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
614 int yyMajor, /* The major token to shift in */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
615 YYMINORTYPE *yypMinor /* Pointer to the minor token to shift in */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
616 ){
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
617 yyStackEntry *yytos;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
618 yypParser->yyidx++;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
619 #ifdef YYTRACKMAXSTACKDEPTH
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
620 if( yypParser->yyidx>yypParser->yyidxMax ){
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
621 yypParser->yyidxMax = yypParser->yyidx;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
622 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
623 #endif
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
624 #if YYSTACKDEPTH>0
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
625 if( yypParser->yyidx>=YYSTACKDEPTH ){
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
626 yyStackOverflow(yypParser, yypMinor);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
627 return;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
628 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
629 #else
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
630 if( yypParser->yyidx>=yypParser->yystksz ){
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
631 yyGrowStack(yypParser);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
632 if( yypParser->yyidx>=yypParser->yystksz ){
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
633 yyStackOverflow(yypParser, yypMinor);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
634 return;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
635 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
636 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
637 #endif
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
638 yytos = &yypParser->yystack[yypParser->yyidx];
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
639 yytos->stateno = (YYACTIONTYPE)yyNewState;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
640 yytos->major = (YYCODETYPE)yyMajor;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
641 yytos->minor = *yypMinor;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
642 #ifndef NDEBUG
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
643 if( yyTraceFILE && yypParser->yyidx>0 ){
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
644 int i;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
645 fprintf(yyTraceFILE,"%sShift %d\n",yyTracePrompt,yyNewState);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
646 fprintf(yyTraceFILE,"%sStack:",yyTracePrompt);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
647 for(i=1; i<=yypParser->yyidx; i++)
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
648 fprintf(yyTraceFILE," %s",yyTokenName[yypParser->yystack[i].major]);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
649 fprintf(yyTraceFILE,"\n");
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
650 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
651 #endif
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
652 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
653
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
654 /* The following table contains information about every rule that
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
655 ** is used during the reduce.
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
656 */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
657 static const struct {
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
658 YYCODETYPE lhs; /* Symbol on the left-hand side of the rule */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
659 unsigned char nrhs; /* Number of right-hand side symbols in the rule */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
660 } yyRuleInfo[] = {
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
661 { 18, 1 },
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
662 { 19, 2 },
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
663 { 19, 0 },
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
664 { 20, 1 },
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
665 { 20, 1 },
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
666 { 21, 3 },
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
667 { 24, 1 },
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
668 { 23, 1 },
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
669 { 23, 2 },
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
670 { 25, 1 },
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
671 { 25, 1 },
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
672 { 25, 1 },
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
673 { 25, 2 },
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
674 { 25, 1 },
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
675 { 25, 1 },
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
676 { 25, 1 },
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
677 { 25, 2 },
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
678 { 25, 2 },
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
679 { 26, 1 },
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
680 { 26, 1 },
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
681 { 26, 2 },
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
682 { 26, 2 },
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
683 { 26, 1 },
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
684 { 26, 3 },
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
685 { 26, 2 },
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
686 { 26, 1 },
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
687 { 22, 4 },
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
688 { 22, 4 },
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
689 { 27, 2 },
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
690 { 28, 2 },
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
691 };
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
692
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
693 static void yy_accept(yyParser*); /* Forward Declaration */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
694
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
695 /*
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
696 ** Perform a reduce action and the shift that must immediately
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
697 ** follow the reduce.
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
698 */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
699 static void yy_reduce(
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
700 yyParser *yypParser, /* The parser */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
701 int yyruleno /* Number of the rule by which to reduce */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
702 ){
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
703 int yygoto; /* The next state */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
704 int yyact; /* The next action */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
705 YYMINORTYPE yygotominor; /* The LHS of the rule reduced */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
706 yyStackEntry *yymsp; /* The top of the parser's stack */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
707 int yysize; /* Amount to pop the stack */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
708 ParseARG_FETCH;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
709 yymsp = &yypParser->yystack[yypParser->yyidx];
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
710 #ifndef NDEBUG
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
711 if( yyTraceFILE && yyruleno>=0
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
712 && yyruleno<(int)(sizeof(yyRuleName)/sizeof(yyRuleName[0])) ){
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
713 fprintf(yyTraceFILE, "%sReduce [%s].\n", yyTracePrompt,
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
714 yyRuleName[yyruleno]);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
715 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
716 #endif /* NDEBUG */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
717
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
718 /* Silence complaints from purify about yygotominor being uninitialized
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
719 ** in some cases when it is copied into the stack after the following
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
720 ** switch. yygotominor is uninitialized when a rule reduces that does
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
721 ** not set the value of its left-hand side nonterminal. Leaving the
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
722 ** value of the nonterminal uninitialized is utterly harmless as long
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
723 ** as the value is never used. So really the only thing this code
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
724 ** accomplishes is to quieten purify.
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
725 **
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
726 ** 2007-01-16: The wireshark project (www.wireshark.org) reports that
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
727 ** without this code, their parser segfaults. I'm not sure what there
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
728 ** parser is doing to make this happen. This is the second bug report
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
729 ** from wireshark this week. Clearly they are stressing Lemon in ways
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
730 ** that it has not been previously stressed... (SQLite ticket #2172)
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
731 */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
732 /*memset(&yygotominor, 0, sizeof(yygotominor));*/
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
733 yygotominor = yyzerominor;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
734
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
735
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
736 switch( yyruleno ){
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
737 /* Beginning here are the reduction cases. A typical example
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
738 ** follows:
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
739 ** case 0:
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
740 ** #line <lineno> <grammarfile>
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
741 ** { ... } // User supplied code
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
742 ** #line <lineno> <thisfile>
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
743 ** break;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
744 */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
745 case 0: /* program ::= rprogram */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
746 #line 14 "lwcc/parse_c.y"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
747 { yygotominor.yy18 = yymsp[0].minor.yy18; pinfo -> parsetree = yygotominor.yy18; }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
748 #line 749 "lwcc/parse_c.c"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
749 break;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
750 case 1: /* rprogram ::= rprogram globaldecl */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
751 #line 16 "lwcc/parse_c.y"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
752 {
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
753 yygotominor.yy18 = yymsp[-1].minor.yy18;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
754 node_addchild(yygotominor.yy18, yymsp[0].minor.yy18);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
755 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
756 #line 757 "lwcc/parse_c.c"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
757 break;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
758 case 2: /* rprogram ::= */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
759 #line 20 "lwcc/parse_c.y"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
760 { yygotominor.yy18 = node_create(NODE_PROGRAM); }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
761 #line 762 "lwcc/parse_c.c"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
762 break;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
763 case 3: /* globaldecl ::= vardecl */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
764 case 4: /* globaldecl ::= fundecl */ yytestcase(yyruleno==4);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
765 case 7: /* datatype ::= typename */ yytestcase(yyruleno==7);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
766 case 13: /* typename ::= baseint */ yytestcase(yyruleno==13);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
767 #line 22 "lwcc/parse_c.y"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
768 { yygotominor.yy18 = yymsp[0].minor.yy18; }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
769 #line 770 "lwcc/parse_c.c"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
770 break;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
771 case 5: /* vardecl ::= datatype ident ENDS */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
772 #line 25 "lwcc/parse_c.y"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
773 {
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
774 yygotominor.yy18 = node_create(NODE_DECL, yymsp[-2].minor.yy18, yymsp[-1].minor.yy18);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
775 yy_destructor(yypParser,1,&yymsp[0].minor);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
776 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
777 #line 778 "lwcc/parse_c.c"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
778 break;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
779 case 6: /* ident ::= IDENTIFIER */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
780 #line 29 "lwcc/parse_c.y"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
781 { yygotominor.yy18 = node_create(NODE_IDENT, yymsp[0].minor.yy0 -> strval); }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
782 #line 783 "lwcc/parse_c.c"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
783 break;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
784 case 8: /* datatype ::= datatype STAR */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
785 #line 32 "lwcc/parse_c.y"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
786 { yygotominor.yy18 = node_create(NODE_TYPE_PTR, yymsp[-1].minor.yy18); yy_destructor(yypParser,3,&yymsp[0].minor);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
787 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
788 #line 789 "lwcc/parse_c.c"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
789 break;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
790 case 9: /* typename ::= KW_VOID */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
791 #line 34 "lwcc/parse_c.y"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
792 { yygotominor.yy18 = node_create(NODE_TYPE_VOID); yy_destructor(yypParser,4,&yymsp[0].minor);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
793 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
794 #line 795 "lwcc/parse_c.c"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
795 break;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
796 case 10: /* typename ::= KW_FLOAT */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
797 #line 35 "lwcc/parse_c.y"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
798 { yygotominor.yy18 = node_create(NODE_TYPE_FLOAT); yy_destructor(yypParser,5,&yymsp[0].minor);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
799 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
800 #line 801 "lwcc/parse_c.c"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
801 break;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
802 case 11: /* typename ::= KW_DOUBLE */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
803 #line 36 "lwcc/parse_c.y"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
804 { yygotominor.yy18 = node_create(NODE_TYPE_DOUBLE); yy_destructor(yypParser,6,&yymsp[0].minor);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
805 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
806 #line 807 "lwcc/parse_c.c"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
807 break;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
808 case 12: /* typename ::= KW_LONG KW_DOUBLE */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
809 #line 37 "lwcc/parse_c.y"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
810 { yygotominor.yy18 = node_create(NODE_TYPE_LDOUBLE); yy_destructor(yypParser,7,&yymsp[-1].minor);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
811 yy_destructor(yypParser,6,&yymsp[0].minor);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
812 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
813 #line 814 "lwcc/parse_c.c"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
814 break;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
815 case 14: /* typename ::= KW_UNSIGNED */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
816 #line 39 "lwcc/parse_c.y"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
817 { yygotominor.yy18 = node_create(NODE_TYPE_UINT); yy_destructor(yypParser,8,&yymsp[0].minor);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
818 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
819 #line 820 "lwcc/parse_c.c"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
820 break;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
821 case 15: /* typename ::= KW_SIGNED */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
822 #line 40 "lwcc/parse_c.y"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
823 { yygotominor.yy18 = node_create(NODE_TYPE_INT); yy_destructor(yypParser,9,&yymsp[0].minor);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
824 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
825 #line 826 "lwcc/parse_c.c"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
826 break;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
827 case 16: /* typename ::= KW_SIGNED baseint */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
828 #line 41 "lwcc/parse_c.y"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
829 { yygotominor.yy18 = yymsp[0].minor.yy18; if (yygotominor.yy18 -> type == NODE_TYPE_CHAR) yygotominor.yy18 -> type = NODE_TYPE_SCHAR; yy_destructor(yypParser,9,&yymsp[-1].minor);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
830 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
831 #line 832 "lwcc/parse_c.c"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
832 break;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
833 case 17: /* typename ::= KW_UNSIGNED baseint */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
834 #line 42 "lwcc/parse_c.y"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
835 {
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
836 yygotominor.yy18 = yymsp[0].minor.yy18;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
837 switch (yygotominor.yy18 -> type)
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
838 {
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
839 case NODE_TYPE_CHAR:
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
840 yygotominor.yy18 -> type = NODE_TYPE_UCHAR;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
841 break;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
842 case NODE_TYPE_SHORT:
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
843 yygotominor.yy18 -> type = NODE_TYPE_USHORT;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
844 break;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
845 case NODE_TYPE_INT:
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
846 yygotominor.yy18 -> type = NODE_TYPE_UINT;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
847 break;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
848 case NODE_TYPE_LONG:
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
849 yygotominor.yy18 -> type = NODE_TYPE_ULONG;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
850 break;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
851 case NODE_TYPE_LONGLONG:
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
852 yygotominor.yy18 -> type = NODE_TYPE_ULONGLONG;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
853 break;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
854 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
855 yy_destructor(yypParser,8,&yymsp[-1].minor);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
856 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
857 #line 858 "lwcc/parse_c.c"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
858 break;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
859 case 18: /* baseint ::= KW_INT */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
860 #line 64 "lwcc/parse_c.y"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
861 { yygotominor.yy18 = node_create(NODE_TYPE_INT); yy_destructor(yypParser,10,&yymsp[0].minor);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
862 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
863 #line 864 "lwcc/parse_c.c"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
864 break;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
865 case 19: /* baseint ::= KW_LONG */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
866 #line 65 "lwcc/parse_c.y"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
867 { yygotominor.yy18 = node_create(NODE_TYPE_LONG); yy_destructor(yypParser,7,&yymsp[0].minor);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
868 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
869 #line 870 "lwcc/parse_c.c"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
870 break;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
871 case 20: /* baseint ::= KW_LONG KW_INT */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
872 #line 66 "lwcc/parse_c.y"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
873 { yygotominor.yy18 = node_create(NODE_TYPE_LONG); yy_destructor(yypParser,7,&yymsp[-1].minor);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
874 yy_destructor(yypParser,10,&yymsp[0].minor);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
875 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
876 #line 877 "lwcc/parse_c.c"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
877 break;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
878 case 21: /* baseint ::= KW_LONG KW_LONG */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
879 #line 67 "lwcc/parse_c.y"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
880 { yygotominor.yy18 = node_create(NODE_TYPE_LONGLONG); yy_destructor(yypParser,7,&yymsp[-1].minor);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
881 yy_destructor(yypParser,7,&yymsp[0].minor);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
882 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
883 #line 884 "lwcc/parse_c.c"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
884 break;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
885 case 22: /* baseint ::= KW_SHORT */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
886 #line 68 "lwcc/parse_c.y"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
887 { yygotominor.yy18 = node_create(NODE_TYPE_SHORT); yy_destructor(yypParser,11,&yymsp[0].minor);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
888 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
889 #line 890 "lwcc/parse_c.c"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
890 break;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
891 case 23: /* baseint ::= KW_LONG KW_LONG KW_INT */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
892 #line 69 "lwcc/parse_c.y"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
893 { yygotominor.yy18 = node_create(NODE_TYPE_LONGLONG); yy_destructor(yypParser,7,&yymsp[-2].minor);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
894 yy_destructor(yypParser,7,&yymsp[-1].minor);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
895 yy_destructor(yypParser,10,&yymsp[0].minor);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
896 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
897 #line 898 "lwcc/parse_c.c"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
898 break;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
899 case 24: /* baseint ::= KW_SHORT KW_INT */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
900 #line 70 "lwcc/parse_c.y"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
901 { yygotominor.yy18 = node_create(NODE_TYPE_SHORT); yy_destructor(yypParser,11,&yymsp[-1].minor);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
902 yy_destructor(yypParser,10,&yymsp[0].minor);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
903 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
904 #line 905 "lwcc/parse_c.c"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
905 break;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
906 case 25: /* baseint ::= KW_CHAR */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
907 #line 71 "lwcc/parse_c.y"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
908 { yygotominor.yy18 = node_create(NODE_TYPE_CHAR); yy_destructor(yypParser,12,&yymsp[0].minor);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
909 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
910 #line 911 "lwcc/parse_c.c"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
911 break;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
912 case 26: /* fundecl ::= datatype ident arglist statementblock */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
913 #line 74 "lwcc/parse_c.y"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
914 {
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
915 yygotominor.yy18 = node_create(NODE_FUNDEF, yymsp[-3].minor.yy18, yymsp[-2].minor.yy18, yymsp[-1].minor.yy18, yymsp[0].minor.yy18);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
916 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
917 #line 918 "lwcc/parse_c.c"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
918 break;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
919 case 27: /* fundecl ::= datatype ident arglist ENDS */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
920 #line 78 "lwcc/parse_c.y"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
921 {
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
922 yygotominor.yy18 = node_create(NODE_FUNDECL, yymsp[-3].minor.yy18, yymsp[-2].minor.yy18, yymsp[-1].minor.yy18);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
923 yy_destructor(yypParser,1,&yymsp[0].minor);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
924 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
925 #line 926 "lwcc/parse_c.c"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
926 break;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
927 case 28: /* arglist ::= OPAREN CPAREN */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
928 #line 82 "lwcc/parse_c.y"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
929 { yygotominor.yy18 = node_create(NODE_FUNARGS); yy_destructor(yypParser,13,&yymsp[-1].minor);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
930 yy_destructor(yypParser,14,&yymsp[0].minor);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
931 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
932 #line 933 "lwcc/parse_c.c"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
933 break;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
934 case 29: /* statementblock ::= OBRACE CBRACE */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
935 #line 84 "lwcc/parse_c.y"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
936 { yygotominor.yy18 = node_create(NODE_BLOCK); yy_destructor(yypParser,15,&yymsp[-1].minor);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
937 yy_destructor(yypParser,16,&yymsp[0].minor);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
938 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
939 #line 940 "lwcc/parse_c.c"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
940 break;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
941 default:
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
942 break;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
943 };
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
944 yygoto = yyRuleInfo[yyruleno].lhs;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
945 yysize = yyRuleInfo[yyruleno].nrhs;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
946 yypParser->yyidx -= yysize;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
947 yyact = yy_find_reduce_action(yymsp[-yysize].stateno,(YYCODETYPE)yygoto);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
948 if( yyact < YYNSTATE ){
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
949 #ifdef NDEBUG
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
950 /* If we are not debugging and the reduce action popped at least
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
951 ** one element off the stack, then we can push the new element back
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
952 ** onto the stack here, and skip the stack overflow test in yy_shift().
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
953 ** That gives a significant speed improvement. */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
954 if( yysize ){
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
955 yypParser->yyidx++;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
956 yymsp -= yysize-1;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
957 yymsp->stateno = (YYACTIONTYPE)yyact;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
958 yymsp->major = (YYCODETYPE)yygoto;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
959 yymsp->minor = yygotominor;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
960 }else
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
961 #endif
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
962 {
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
963 yy_shift(yypParser,yyact,yygoto,&yygotominor);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
964 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
965 }else{
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
966 assert( yyact == YYNSTATE + YYNRULE + 1 );
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
967 yy_accept(yypParser);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
968 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
969 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
970
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
971 /*
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
972 ** The following code executes when the parse fails
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
973 */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
974 #ifndef YYNOERRORRECOVERY
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
975 static void yy_parse_failed(
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
976 yyParser *yypParser /* The parser */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
977 ){
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
978 ParseARG_FETCH;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
979 #ifndef NDEBUG
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
980 if( yyTraceFILE ){
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
981 fprintf(yyTraceFILE,"%sFail!\n",yyTracePrompt);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
982 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
983 #endif
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
984 while( yypParser->yyidx>=0 ) yy_pop_parser_stack(yypParser);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
985 /* Here code is inserted which will be executed whenever the
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
986 ** parser fails */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
987 #line 86 "lwcc/parse_c.y"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
988
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
989 fprintf(stderr, "Parse error\n");
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
990 #line 991 "lwcc/parse_c.c"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
991 ParseARG_STORE; /* Suppress warning about unused %extra_argument variable */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
992 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
993 #endif /* YYNOERRORRECOVERY */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
994
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
995 /*
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
996 ** The following code executes when a syntax error first occurs.
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
997 */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
998 static void yy_syntax_error(
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
999 yyParser *yypParser, /* The parser */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1000 int yymajor, /* The major type of the error token */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1001 YYMINORTYPE yyminor /* The minor type of the error token */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1002 ){
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1003 ParseARG_FETCH;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1004 #define TOKEN (yyminor.yy0)
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1005 #line 94 "lwcc/parse_c.y"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1006
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1007 fprintf(stderr, "Undexpected token %d: ", TOKEN -> tokid);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1008 tokendata_print(stderr, TOKEN);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1009 #line 1010 "lwcc/parse_c.c"
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1010 ParseARG_STORE; /* Suppress warning about unused %extra_argument variable */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1011 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1012
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1013 /*
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1014 ** The following is executed when the parser accepts
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1015 */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1016 static void yy_accept(
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1017 yyParser *yypParser /* The parser */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1018 ){
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1019 ParseARG_FETCH;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1020 #ifndef NDEBUG
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1021 if( yyTraceFILE ){
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1022 fprintf(yyTraceFILE,"%sAccept!\n",yyTracePrompt);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1023 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1024 #endif
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1025 while( yypParser->yyidx>=0 ) yy_pop_parser_stack(yypParser);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1026 /* Here code is inserted which will be executed whenever the
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1027 ** parser accepts */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1028 ParseARG_STORE; /* Suppress warning about unused %extra_argument variable */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1029 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1030
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1031 /* The main parser program.
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1032 ** The first argument is a pointer to a structure obtained from
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1033 ** "ParseAlloc" which describes the current state of the parser.
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1034 ** The second argument is the major token number. The third is
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1035 ** the minor token. The fourth optional argument is whatever the
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1036 ** user wants (and specified in the grammar) and is available for
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1037 ** use by the action routines.
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1038 **
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1039 ** Inputs:
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1040 ** <ul>
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1041 ** <li> A pointer to the parser (an opaque structure.)
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1042 ** <li> The major token number.
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1043 ** <li> The minor token number.
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1044 ** <li> An option argument of a grammar-specified type.
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1045 ** </ul>
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1046 **
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1047 ** Outputs:
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1048 ** None.
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1049 */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1050 void Parse(
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1051 void *yyp, /* The parser */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1052 int yymajor, /* The major token code number */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1053 ParseTOKENTYPE yyminor /* The value for the token */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1054 ParseARG_PDECL /* Optional %extra_argument parameter */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1055 ){
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1056 YYMINORTYPE yyminorunion;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1057 int yyact; /* The parser action. */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1058 int yyendofinput; /* True if we are at the end of input */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1059 #ifdef YYERRORSYMBOL
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1060 int yyerrorhit = 0; /* True if yymajor has invoked an error */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1061 #endif
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1062 yyParser *yypParser; /* The parser */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1063
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1064 /* (re)initialize the parser, if necessary */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1065 yypParser = (yyParser*)yyp;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1066 if( yypParser->yyidx<0 ){
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1067 #if YYSTACKDEPTH<=0
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1068 if( yypParser->yystksz <=0 ){
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1069 /*memset(&yyminorunion, 0, sizeof(yyminorunion));*/
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1070 yyminorunion = yyzerominor;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1071 yyStackOverflow(yypParser, &yyminorunion);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1072 return;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1073 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1074 #endif
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1075 yypParser->yyidx = 0;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1076 yypParser->yyerrcnt = -1;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1077 yypParser->yystack[0].stateno = 0;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1078 yypParser->yystack[0].major = 0;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1079 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1080 yyminorunion.yy0 = yyminor;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1081 yyendofinput = (yymajor==0);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1082 ParseARG_STORE;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1083
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1084 #ifndef NDEBUG
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1085 if( yyTraceFILE ){
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1086 fprintf(yyTraceFILE,"%sInput %s\n",yyTracePrompt,yyTokenName[yymajor]);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1087 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1088 #endif
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1089
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1090 do{
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1091 yyact = yy_find_shift_action(yypParser,(YYCODETYPE)yymajor);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1092 if( yyact<YYNSTATE ){
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1093 assert( !yyendofinput ); /* Impossible to shift the $ token */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1094 yy_shift(yypParser,yyact,yymajor,&yyminorunion);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1095 yypParser->yyerrcnt--;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1096 yymajor = YYNOCODE;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1097 }else if( yyact < YYNSTATE + YYNRULE ){
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1098 yy_reduce(yypParser,yyact-YYNSTATE);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1099 }else{
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1100 assert( yyact == YY_ERROR_ACTION );
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1101 #ifdef YYERRORSYMBOL
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1102 int yymx;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1103 #endif
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1104 #ifndef NDEBUG
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1105 if( yyTraceFILE ){
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1106 fprintf(yyTraceFILE,"%sSyntax Error!\n",yyTracePrompt);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1107 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1108 #endif
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1109 #ifdef YYERRORSYMBOL
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1110 /* A syntax error has occurred.
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1111 ** The response to an error depends upon whether or not the
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1112 ** grammar defines an error token "ERROR".
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1113 **
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1114 ** This is what we do if the grammar does define ERROR:
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1115 **
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1116 ** * Call the %syntax_error function.
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1117 **
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1118 ** * Begin popping the stack until we enter a state where
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1119 ** it is legal to shift the error symbol, then shift
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1120 ** the error symbol.
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1121 **
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1122 ** * Set the error count to three.
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1123 **
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1124 ** * Begin accepting and shifting new tokens. No new error
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1125 ** processing will occur until three tokens have been
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1126 ** shifted successfully.
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1127 **
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1128 */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1129 if( yypParser->yyerrcnt<0 ){
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1130 yy_syntax_error(yypParser,yymajor,yyminorunion);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1131 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1132 yymx = yypParser->yystack[yypParser->yyidx].major;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1133 if( yymx==YYERRORSYMBOL || yyerrorhit ){
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1134 #ifndef NDEBUG
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1135 if( yyTraceFILE ){
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1136 fprintf(yyTraceFILE,"%sDiscard input token %s\n",
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1137 yyTracePrompt,yyTokenName[yymajor]);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1138 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1139 #endif
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1140 yy_destructor(yypParser, (YYCODETYPE)yymajor,&yyminorunion);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1141 yymajor = YYNOCODE;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1142 }else{
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1143 while(
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1144 yypParser->yyidx >= 0 &&
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1145 yymx != YYERRORSYMBOL &&
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1146 (yyact = yy_find_reduce_action(
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1147 yypParser->yystack[yypParser->yyidx].stateno,
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1148 YYERRORSYMBOL)) >= YYNSTATE
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1149 ){
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1150 yy_pop_parser_stack(yypParser);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1151 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1152 if( yypParser->yyidx < 0 || yymajor==0 ){
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1153 yy_destructor(yypParser,(YYCODETYPE)yymajor,&yyminorunion);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1154 yy_parse_failed(yypParser);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1155 yymajor = YYNOCODE;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1156 }else if( yymx!=YYERRORSYMBOL ){
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1157 YYMINORTYPE u2;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1158 u2.YYERRSYMDT = 0;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1159 yy_shift(yypParser,yyact,YYERRORSYMBOL,&u2);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1160 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1161 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1162 yypParser->yyerrcnt = 3;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1163 yyerrorhit = 1;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1164 #elif defined(YYNOERRORRECOVERY)
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1165 /* If the YYNOERRORRECOVERY macro is defined, then do not attempt to
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1166 ** do any kind of error recovery. Instead, simply invoke the syntax
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1167 ** error routine and continue going as if nothing had happened.
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1168 **
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1169 ** Applications can set this macro (for example inside %include) if
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1170 ** they intend to abandon the parse upon the first syntax error seen.
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1171 */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1172 yy_syntax_error(yypParser,yymajor,yyminorunion);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1173 yy_destructor(yypParser,(YYCODETYPE)yymajor,&yyminorunion);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1174 yymajor = YYNOCODE;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1175
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1176 #else /* YYERRORSYMBOL is not defined */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1177 /* This is what we do if the grammar does not define ERROR:
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1178 **
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1179 ** * Report an error message, and throw away the input token.
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1180 **
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1181 ** * If the input token is $, then fail the parse.
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1182 **
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1183 ** As before, subsequent error messages are suppressed until
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1184 ** three input tokens have been successfully shifted.
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1185 */
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1186 if( yypParser->yyerrcnt<=0 ){
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1187 yy_syntax_error(yypParser,yymajor,yyminorunion);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1188 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1189 yypParser->yyerrcnt = 3;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1190 yy_destructor(yypParser,(YYCODETYPE)yymajor,&yyminorunion);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1191 if( yyendofinput ){
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1192 yy_parse_failed(yypParser);
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1193 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1194 yymajor = YYNOCODE;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1195 #endif
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1196 }
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1197 }while( yymajor!=YYNOCODE && yypParser->yyidx>=0 );
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1198 return;
a3e277c58df9 Checkpoint parser development for lwcc
William Astle <lost@l-w.ca>
parents:
diff changeset
1199 }