+++ /dev/null
-/*
- * Copyright 2014 Jacek Caban for CodeWeavers
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
- */
-
-%{
-
-#include "jscript.h"
-
-%}
-
-%lex-param { parser_ctx_t *ctx }
-%parse-param { parser_ctx_t *ctx }
-%pure-parser
-%start CCExpr
-
-%union {
- ccval_t ccval;
-}
-
-%token tEQ tEQEQ tNEQ tNEQEQ tLSHIFT tRSHIFT tRRSHIFT tOR tAND tLEQ tGEQ
-%token <ccval> tCCValue
-
-%type <ccval> CCUnaryExpression CCLogicalORExpression CCLogicalANDExpression
-%type <ccval> CCBitwiseORExpression CCBitwiseXORExpression CCBitwiseANDExpression
-%type <ccval> CCEqualityExpression CCRelationalExpression CCShiftExpression CCAdditiveExpression CCMultiplicativeExpression
-
-%{
-
-static int cc_parser_error(parser_ctx_t *ctx, const char *str)
-{
- if(SUCCEEDED(ctx->hres)) {
- WARN("%s\n", str);
- ctx->hres = JS_E_SYNTAX;
- }
-
- return 0;
-}
-
-static int cc_parser_lex(void *lval, parser_ctx_t *ctx)
-{
- int r;
-
- r = try_parse_ccval(ctx, lval);
- if(r)
- return r > 0 ? tCCValue : -1;
-
- switch(*ctx->ptr) {
- case '(':
- case ')':
- case '+':
- case '-':
- case '*':
- case '/':
- case '~':
- case '%':
- case '^':
- return *ctx->ptr++;
- case '=':
- if(*++ctx->ptr == '=') {
- if(*++ctx->ptr == '=') {
- ctx->ptr++;
- return tEQEQ;
- }
- return tEQ;
- }
- break;
- case '!':
- if(*++ctx->ptr == '=') {
- if(*++ctx->ptr == '=') {
- ctx->ptr++;
- return tNEQEQ;
- }
- return tNEQ;
- }
- return '!';
- case '<':
- switch(*++ctx->ptr) {
- case '<':
- ctx->ptr++;
- return tLSHIFT;
- case '=':
- ctx->ptr++;
- return tLEQ;
- default:
- return '<';
- }
- case '>':
- switch(*++ctx->ptr) {
- case '>':
- if(*++ctx->ptr == '>') {
- ctx->ptr++;
- return tRRSHIFT;
- }
- return tRSHIFT;
- case '=':
- ctx->ptr++;
- return tGEQ;
- default:
- return '>';
- }
- case '|':
- if(*++ctx->ptr == '|') {
- ctx->ptr++;
- return tOR;
- }
- return '|';
- case '&':
- if(*++ctx->ptr == '&') {
- ctx->ptr++;
- return tAND;
- }
- return '&';
- }
-
- WARN("Failed to interpret %s\n", debugstr_w(ctx->ptr));
- return -1;
-}
-
-%}
-
-%%
-
-/* FIXME: Implement missing expressions. */
-
-CCExpr
- : CCUnaryExpression { ctx->ccval = $1; YYACCEPT; }
-
-CCUnaryExpression
- : tCCValue { $$ = $1; }
- | '(' CCLogicalORExpression ')' { $$ = $2; }
- | '!' CCUnaryExpression { $$ = ccval_bool(!get_ccbool($2)); };
- | '~' CCUnaryExpression { FIXME("'~' expression not implemented\n"); ctx->hres = E_NOTIMPL; YYABORT; }
- | '+' CCUnaryExpression { FIXME("'+' expression not implemented\n"); ctx->hres = E_NOTIMPL; YYABORT; }
- | '-' CCUnaryExpression { FIXME("'-' expression not implemented\n"); ctx->hres = E_NOTIMPL; YYABORT; }
-
-CCLogicalORExpression
- : CCLogicalANDExpression { $$ = $1; }
- | CCLogicalORExpression tOR CCLogicalANDExpression
- { FIXME("'||' expression not implemented\n"); ctx->hres = E_NOTIMPL; YYABORT; }
-
-CCLogicalANDExpression
- : CCBitwiseORExpression { $$ = $1; }
- | CCBitwiseANDExpression tAND CCBitwiseORExpression
- { FIXME("'&&' expression not implemented\n"); ctx->hres = E_NOTIMPL; YYABORT; }
-
-CCBitwiseORExpression
- : CCBitwiseXORExpression { $$ = $1; }
- | CCBitwiseORExpression '|' CCBitwiseXORExpression
- { FIXME("'|' expression not implemented\n"); ctx->hres = E_NOTIMPL; YYABORT; }
-
-CCBitwiseXORExpression
- : CCBitwiseANDExpression { $$ = $1; }
- | CCBitwiseXORExpression '^' CCBitwiseANDExpression
- { FIXME("'^' expression not implemented\n"); ctx->hres = E_NOTIMPL; YYABORT; }
-
-CCBitwiseANDExpression
- : CCEqualityExpression { $$ = $1; }
- | CCBitwiseANDExpression '&' CCEqualityExpression
- { FIXME("'&' expression not implemented\n"); ctx->hres = E_NOTIMPL; YYABORT; }
-
-CCEqualityExpression
- : CCRelationalExpression { $$ = $1; }
- | CCEqualityExpression tEQ CCRelationalExpression
- { $$ = ccval_bool(get_ccnum($1) == get_ccnum($3)); }
- | CCEqualityExpression tNEQ CCRelationalExpression
- { $$ = ccval_bool(get_ccnum($1) != get_ccnum($3)); }
- | CCEqualityExpression tEQEQ CCRelationalExpression
- { FIXME("'===' expression not implemented\n"); ctx->hres = E_NOTIMPL; YYABORT; }
- | CCEqualityExpression tNEQEQ CCRelationalExpression
- { FIXME("'!==' expression not implemented\n"); ctx->hres = E_NOTIMPL; YYABORT; }
-
-CCRelationalExpression
- : CCShiftExpression { $$ = $1; }
- | CCRelationalExpression '<' CCShiftExpression
- { $$ = ccval_bool(get_ccnum($1) < get_ccnum($3)); }
- | CCRelationalExpression tLEQ CCShiftExpression
- { $$ = ccval_bool(get_ccnum($1) <= get_ccnum($3)); }
- | CCRelationalExpression '>' CCShiftExpression
- { $$ = ccval_bool(get_ccnum($1) > get_ccnum($3)); }
- | CCRelationalExpression tGEQ CCShiftExpression
- { $$ = ccval_bool(get_ccnum($1) >= get_ccnum($3)); }
-
-CCShiftExpression
- : CCAdditiveExpression { $$ = $1; }
- | CCShiftExpression tLSHIFT CCAdditiveExpression
- { FIXME("'<<' expression not implemented\n"); ctx->hres = E_NOTIMPL; YYABORT; }
- | CCShiftExpression tRSHIFT CCAdditiveExpression
- { FIXME("'>>' expression not implemented\n"); ctx->hres = E_NOTIMPL; YYABORT; }
- | CCShiftExpression tRRSHIFT CCAdditiveExpression
- { FIXME("'>>>' expression not implemented\n"); ctx->hres = E_NOTIMPL; YYABORT; }
-
-CCAdditiveExpression
- : CCMultiplicativeExpression { $$ = $1; }
- | CCAdditiveExpression '+' CCMultiplicativeExpression
- { $$ = ccval_num(get_ccnum($1) + get_ccnum($3)); }
- | CCAdditiveExpression '-' CCMultiplicativeExpression
- { $$ = ccval_num(get_ccnum($1) - get_ccnum($3)); }
-
-CCMultiplicativeExpression
- : CCUnaryExpression { $$ = $1; }
- | CCMultiplicativeExpression '*' CCUnaryExpression
- { $$ = ccval_num(get_ccnum($1) * get_ccnum($3)); }
- | CCMultiplicativeExpression '/' CCUnaryExpression
- { $$ = ccval_num(get_ccnum($1) / get_ccnum($3)); }
- | CCMultiplicativeExpression '%' CCUnaryExpression
- { FIXME("'%%' expression not implemented\n"); ctx->hres = E_NOTIMPL; YYABORT; }
-
-%%
-
-BOOL parse_cc_expr(parser_ctx_t *ctx)
-{
- ctx->hres = S_OK;
- cc_parser_parse(ctx);
- return SUCCEEDED(ctx->hres);
-}
projects / reactos.git / blobdiff