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authorYing Wang <wangying@google.com>2016-01-12 03:14:17 +0100
committerYing Wang <wangying@google.com>2016-01-13 06:09:10 +0100
commitc577660702c5649fdcb38b1828c1d6a2bd02772c (patch)
tree915e1635edb04470b5a493538a4287011e41d712 /edify/parser.y
parentMerge "IO fault injection for OTA packages" (diff)
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Diffstat (limited to 'edify/parser.y')
-rw-r--r--edify/parser.y139
1 files changed, 0 insertions, 139 deletions
diff --git a/edify/parser.y b/edify/parser.y
deleted file mode 100644
index 098a6370a..000000000
--- a/edify/parser.y
+++ /dev/null
@@ -1,139 +0,0 @@
-%{
-/*
- * Copyright (C) 2009 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "expr.h"
-#include "yydefs.h"
-#include "parser.h"
-
-extern int gLine;
-extern int gColumn;
-
-void yyerror(Expr** root, int* error_count, const char* s);
-int yyparse(Expr** root, int* error_count);
-
-struct yy_buffer_state;
-void yy_switch_to_buffer(struct yy_buffer_state* new_buffer);
-struct yy_buffer_state* yy_scan_string(const char* yystr);
-
-%}
-
-%locations
-
-%union {
- char* str;
- Expr* expr;
- struct {
- int argc;
- Expr** argv;
- } args;
-}
-
-%token AND OR SUBSTR SUPERSTR EQ NE IF THEN ELSE ENDIF
-%token <str> STRING BAD
-%type <expr> expr
-%type <args> arglist
-
-%parse-param {Expr** root}
-%parse-param {int* error_count}
-%error-verbose
-
-/* declarations in increasing order of precedence */
-%left ';'
-%left ','
-%left OR
-%left AND
-%left EQ NE
-%left '+'
-%right '!'
-
-%%
-
-input: expr { *root = $1; }
-;
-
-expr: STRING {
- $$ = reinterpret_cast<Expr*>(malloc(sizeof(Expr)));
- $$->fn = Literal;
- $$->name = $1;
- $$->argc = 0;
- $$->argv = NULL;
- $$->start = @$.start;
- $$->end = @$.end;
-}
-| '(' expr ')' { $$ = $2; $$->start=@$.start; $$->end=@$.end; }
-| expr ';' { $$ = $1; $$->start=@1.start; $$->end=@1.end; }
-| expr ';' expr { $$ = Build(SequenceFn, @$, 2, $1, $3); }
-| error ';' expr { $$ = $3; $$->start=@$.start; $$->end=@$.end; }
-| expr '+' expr { $$ = Build(ConcatFn, @$, 2, $1, $3); }
-| expr EQ expr { $$ = Build(EqualityFn, @$, 2, $1, $3); }
-| expr NE expr { $$ = Build(InequalityFn, @$, 2, $1, $3); }
-| expr AND expr { $$ = Build(LogicalAndFn, @$, 2, $1, $3); }
-| expr OR expr { $$ = Build(LogicalOrFn, @$, 2, $1, $3); }
-| '!' expr { $$ = Build(LogicalNotFn, @$, 1, $2); }
-| IF expr THEN expr ENDIF { $$ = Build(IfElseFn, @$, 2, $2, $4); }
-| IF expr THEN expr ELSE expr ENDIF { $$ = Build(IfElseFn, @$, 3, $2, $4, $6); }
-| STRING '(' arglist ')' {
- $$ = reinterpret_cast<Expr*>(malloc(sizeof(Expr)));
- $$->fn = FindFunction($1);
- if ($$->fn == NULL) {
- char buffer[256];
- snprintf(buffer, sizeof(buffer), "unknown function \"%s\"", $1);
- yyerror(root, error_count, buffer);
- YYERROR;
- }
- $$->name = $1;
- $$->argc = $3.argc;
- $$->argv = $3.argv;
- $$->start = @$.start;
- $$->end = @$.end;
-}
-;
-
-arglist: /* empty */ {
- $$.argc = 0;
- $$.argv = NULL;
-}
-| expr {
- $$.argc = 1;
- $$.argv = reinterpret_cast<Expr**>(malloc(sizeof(Expr*)));
- $$.argv[0] = $1;
-}
-| arglist ',' expr {
- $$.argc = $1.argc + 1;
- $$.argv = reinterpret_cast<Expr**>(realloc($$.argv, $$.argc * sizeof(Expr*)));
- $$.argv[$$.argc-1] = $3;
-}
-;
-
-%%
-
-void yyerror(Expr** root, int* error_count, const char* s) {
- if (strlen(s) == 0) {
- s = "syntax error";
- }
- printf("line %d col %d: %s\n", gLine, gColumn, s);
- ++*error_count;
-}
-
-int parse_string(const char* str, Expr** root, int* error_count) {
- yy_switch_to_buffer(yy_scan_string(str));
- return yyparse(root, error_count);
-}