[qfcc] Move basic specifier creation into qc-lex
This simplifies type type_specifier rule significantly as now TYPE_SPEC (was TYPE) includes all types and their basic modifiers (long, short, signed, unsigned). This should allow me to make the type system closer to gcc's (as of 3.4 as that seems to be the last version that used a bison parser) and thus fix typeredef2.
This commit is contained in:
Bill Currie
parent
5f22a322df
commit
35f4f2e692
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@ -340,13 +340,14 @@ yywrap (void)
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typedef struct {
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const char *name;
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int value;
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type_t *type;
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specifier_t spec;
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} keyword_t;
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// These keywords are part of the Ruamoko language and require the QuakeForge
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// Ruamoko VM.
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static keyword_t rua_keywords[] = {
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#define VEC_TYPE(type_name, base_type) { #type_name, TYPE, &type_##type_name },
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#define VEC_TYPE(type_name, base_type) \
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{ #type_name, TYPE_SPEC, .spec = { .type = &type_##type_name } },
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#include "tools/qfcc/include/vec_types.h"
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};
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@ -356,12 +357,12 @@ static keyword_t rua_keywords[] = {
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// If not compiling for the QuakeForge VM, or if Ruamoko has been disabled,
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// then they will be unavailable as keywords.
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static keyword_t obj_keywords[] = {
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{"id", OBJECT, &type_id },
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{"Class", TYPE, &type_Class },
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{"Method", TYPE, &type_method },
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{"Super", TYPE, &type_super },
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{"SEL", TYPE, &type_SEL },
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{"IMP", TYPE, &type_IMP },
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{"id", OBJECT, .spec = { .type = &type_id } },
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{"Class", TYPE_SPEC, .spec = { .type = &type_Class } },
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{"Method", TYPE_SPEC, .spec = { .type = &type_method } },
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{"Super", TYPE_SPEC, .spec = { .type = &type_super } },
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{"SEL", TYPE_SPEC, .spec = { .type = &type_SEL } },
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{"IMP", TYPE_SPEC, .spec = { .type = &type_IMP } },
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{"@class", CLASS },
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{"@defs", DEFS },
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@ -412,42 +413,42 @@ static keyword_t at_keywords[] = {
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// These keywords require the QuakeForge VM to be of any use. ie, they cannot
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// be supported (sanely) by v6 progs.
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static keyword_t qf_keywords[] = {
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{"quaternion", TYPE, &type_quaternion},
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{"double", TYPE, &type_double},
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{"int", TYPE, &type_int },
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{"unsigned", UNSIGNED, 0 },
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{"signed", SIGNED, 0 },
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{"long", LONG, 0 },
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{"short", SHORT, 0 },
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{"quaternion", TYPE_SPEC, .spec = { .type = &type_quaternion } },
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{"double", TYPE_SPEC, .spec = { .type = &type_double } },
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{"int", TYPE_SPEC, .spec = { .type = &type_int } },
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{"unsigned", TYPE_SPEC, .spec = { .is_unsigned = 1 } },
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{"signed", TYPE_SPEC, .spec = { .is_signed = 1 } },
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{"long", TYPE_SPEC, .spec = { .is_long = 1 } },
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{"short", TYPE_SPEC, .spec = { .is_short = 1 } },
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{"@function", TYPE, &type_func },
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{"@args", ARGS, 0 },
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{"@va_list", TYPE, &type_va_list },
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{"@param", TYPE, &type_param },
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{"@return", AT_RETURN, 0 },
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{"@function", TYPE_SPEC, .spec = { .type = &type_func } },
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{"@args", ARGS, },
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{"@va_list", TYPE_SPEC, .spec = { .type = &type_va_list } },
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{"@param", TYPE_SPEC, .spec = { .type = &type_param } },
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{"@return", AT_RETURN, },
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{"@cross", CROSS, 0 },
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{"@dot", DOT, 0 },
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{"@hadamard", HADAMARD, 0 },
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{"@cross", CROSS, },
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{"@dot", DOT, },
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{"@hadamard", HADAMARD, },
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};
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// These keywors are always available. Other than the @ keywords, they
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// form traditional QuakeC.
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static keyword_t keywords[] = {
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{"void", TYPE, &type_void },
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{"float", TYPE, &type_float },
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{"string", TYPE, &type_string},
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{"vector", TYPE, &type_vector},
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{"entity", TYPE, &type_entity},
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{"local", LOCAL, 0 },
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{"return", RETURN, 0 },
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{"while", WHILE, 0 },
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{"do", DO, 0 },
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{"if", IF, 0 },
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{"else", ELSE, 0 },
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{"@system", SYSTEM, 0 },
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{"@overload", OVERLOAD, 0 },
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{"@attribute", ATTRIBUTE, 0 },
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{"void", TYPE_SPEC, .spec = { .type = &type_void } },
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{"float", TYPE_SPEC, .spec = { .type = &type_float } },
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{"string", TYPE_SPEC, .spec = { .type = &type_string } },
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{"vector", TYPE_SPEC, .spec = { .type = &type_vector } },
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{"entity", TYPE_SPEC, .spec = { .type = &type_entity } },
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{"local", LOCAL, },
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{"return", RETURN, },
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{"while", WHILE, },
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{"do", DO, },
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{"if", IF, },
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{"else", ELSE, },
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{"@system", SYSTEM, },
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{"@overload", OVERLOAD, },
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{"@attribute", ATTRIBUTE, },
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};
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static const char *
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@ -474,12 +475,16 @@ process_keyword (keyword_t *keyword, const char *token)
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return OBJECT;
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} else if (sym->sy_type == sy_type) {
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// id has been redeclared via a typedef
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qc_yylval.spec = (specifier_t) {
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.type = sym->type,
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.sym = sym,
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};
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return TYPE_NAME;
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}
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// id has been redelcared as a variable (hopefully)
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return NAME;
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} else {
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qc_yylval.type = keyword->type;
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qc_yylval.spec = keyword->spec;
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}
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return keyword->value;
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}
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@ -550,8 +555,13 @@ keyword_or_id (const char *token)
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if (!sym)
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sym = new_symbol (token);
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qc_yylval.symbol = sym;
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if (sym->sy_type == sy_type)
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if (sym->sy_type == sy_type) {
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qc_yylval.spec = (specifier_t) {
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.type = sym->type,
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.sym = sym,
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};
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return TYPE_NAME;
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}
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if (sym->sy_type == sy_class)
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return CLASS_NAME;
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return NAME;
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@ -153,10 +153,9 @@ int yylex (void);
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%token RETURN AT_RETURN ELLIPSIS
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%token NIL GOTO SWITCH CASE DEFAULT ENUM
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%token ARGS TYPEDEF EXTERN STATIC SYSTEM OVERLOAD NOT ATTRIBUTE
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%token UNSIGNED SIGNED LONG SHORT
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%token <op> STRUCT
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%token <type> TYPE
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%token <symbol> OBJECT TYPE_NAME
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%token <spec> TYPE_SPEC TYPE_NAME
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%token <symbol> OBJECT
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%token CLASS DEFS ENCODE END IMPLEMENTATION INTERFACE PRIVATE
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%token PROTECTED PROTOCOL PUBLIC SELECTOR REFERENCE SELF THIS
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@ -700,37 +699,10 @@ type_specifier_or_storage_class
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;
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type_specifier
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: TYPE
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{
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$$ = make_spec ($1, 0, 0, 0);
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}
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| UNSIGNED
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{
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$$ = make_spec (0, current_storage, 0, 0);
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$$.is_unsigned = 1;
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}
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| SIGNED
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{
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$$ = make_spec (0, current_storage, 0, 0);
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$$.is_signed = 1;
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}
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| LONG
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{
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$$ = make_spec (0, current_storage, 0, 0);
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$$.is_long = 1;
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}
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| SHORT
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{
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$$ = make_spec (0, current_storage, 0, 0);
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$$.is_short = 1;
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}
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: TYPE_SPEC
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| enum_specifier
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| struct_specifier
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| TYPE_NAME
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{
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$$ = make_spec ($1->type, 0, 0, 0);
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$$.sym = $1;
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}
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| OBJECT protocolrefs
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{
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if ($2) {
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@ -1023,9 +995,9 @@ function_params
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qc_func_params
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: '(' ')' { $$ = 0; }
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| '(' ps qc_var_list ')' { $$ = check_params ($3); }
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| '(' ps TYPE ')'
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| '(' ps TYPE_SPEC ')'
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{
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if (!is_void ($3))
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if (!is_void ($3.type))
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PARSE_ERROR;
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$$ = 0;
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}
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@ -1631,7 +1603,7 @@ unary_expr
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ident_expr
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: OBJECT { $$ = new_symbol_expr ($1); }
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| CLASS_NAME { $$ = new_symbol_expr ($1); }
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| TYPE_NAME { $$ = new_symbol_expr ($1); }
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| TYPE_NAME { $$ = new_symbol_expr ($1.sym); }
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;
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vector_expr
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@ -1742,7 +1714,7 @@ identifier
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: NAME
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| OBJECT
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| CLASS_NAME
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| TYPE_NAME
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| TYPE_NAME { $$ = $1.sym; }
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;
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// Objective-QC stuff
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@ -2241,8 +2213,8 @@ selector
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: NAME { $$ = $1; }
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| CLASS_NAME { $$ = $1; }
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| OBJECT { $$ = new_symbol (qc_yytext); }
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| TYPE { $$ = new_symbol (qc_yytext); }
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| TYPE_NAME { $$ = $1; }
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| TYPE_SPEC { $$ = new_symbol (qc_yytext); }
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| TYPE_NAME { $$ = $1.sym; }
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| reserved_word
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;
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