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-rw-r--r--amend/parser_y.y430
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diff --git a/amend/parser_y.y b/amend/parser_y.y
deleted file mode 100644
index b634016e2..000000000
--- a/amend/parser_y.y
+++ /dev/null
@@ -1,430 +0,0 @@
-/*
- * Copyright (C) 2007 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.
- */
-
-%{
-#undef NDEBUG
- #include <stdlib.h>
- #include <string.h>
- #include <assert.h>
- #include <stdio.h>
- #include "ast.h"
- #include "lexer.h"
- #include "commands.h"
-
- void yyerror(const char *msg);
- int yylex(void);
-
-#define STRING_COMPARISON(out, a1, sop, a2) \
- do { \
- out = (AmBooleanValue *)malloc(sizeof(AmBooleanValue)); \
- if (out == NULL) { \
- YYABORT; \
- } \
- out->type = AM_BVAL_STRING_COMPARISON; \
- out->u.stringComparison.op = sop; \
- out->u.stringComparison.arg1 = a1; \
- out->u.stringComparison.arg2 = a2; \
- } while (false)
-
-#define BOOLEAN_EXPRESSION(out, a1, bop, a2) \
- do { \
- out = (AmBooleanValue *)malloc(sizeof(AmBooleanValue)); \
- if (out == NULL) { \
- YYABORT; \
- } \
- out->type = AM_BVAL_EXPRESSION; \
- out->u.expression.op = bop; \
- out->u.expression.arg1 = a1; \
- out->u.expression.arg2 = a2; \
- } while (false)
-
-AmCommandList *gCommands = NULL;
-%}
-
-%start lines
-
-%union {
- char *literalString;
- AmFunctionArgumentBuilder *functionArgumentBuilder;
- AmFunctionArguments *functionArguments;
- AmFunctionCall *functionCall;
- AmStringValue *stringValue;
- AmBooleanValue *booleanValue;
- AmWordListBuilder *wordListBuilder;
- AmCommandArguments *commandArguments;
- AmCommand *command;
- AmCommandList *commandList;
- }
-
-%token TOK_AND TOK_OR TOK_EQ TOK_NE TOK_GE TOK_LE TOK_EOF TOK_EOL TOK_ERROR
-%token <literalString> TOK_STRING TOK_IDENTIFIER TOK_WORD
-
-%type <commandList> lines
-%type <command> command line
-%type <functionArgumentBuilder> function_arguments
-%type <functionArguments> function_arguments_or_empty
-%type <functionCall> function_call
-%type <literalString> function_name
-%type <stringValue> string_value
-%type <booleanValue> boolean_expression
-%type <wordListBuilder> word_list
-%type <commandArguments> arguments
-
-/* Operator precedence, weakest to strongest.
- * Same as C/Java precedence.
- */
-
-%left TOK_OR
-%left TOK_AND
-%left TOK_EQ TOK_NE
-%left '<' '>' TOK_LE TOK_GE
-%right '!'
-
-%%
-
-lines : /* empty */
- {
- $$ = (AmCommandList *)malloc(sizeof(AmCommandList));
- if ($$ == NULL) {
- YYABORT;
- }
-gCommands = $$;
- $$->arraySize = 64;
- $$->commandCount = 0;
- $$->commands = (AmCommand **)malloc(
- sizeof(AmCommand *) * $$->arraySize);
- if ($$->commands == NULL) {
- YYABORT;
- }
- }
- | lines line
- {
- if ($2 != NULL) {
- if ($1->commandCount >= $1->arraySize) {
- AmCommand **newArray;
- newArray = (AmCommand **)realloc($$->commands,
- sizeof(AmCommand *) * $$->arraySize * 2);
- if (newArray == NULL) {
- YYABORT;
- }
- $$->commands = newArray;
- $$->arraySize *= 2;
- }
- $1->commands[$1->commandCount++] = $2;
- }
- }
- ;
-
-line : line_ending
- {
- $$ = NULL; /* ignore blank lines */
- }
- | command arguments line_ending
- {
- $$ = $1;
- $$->args = $2;
- setLexerArgumentType(AM_UNKNOWN_ARGS);
- }
- ;
-
-command : TOK_IDENTIFIER
- {
- Command *cmd = findCommand($1);
- if (cmd == NULL) {
- fprintf(stderr, "Unknown command \"%s\"\n", $1);
- YYABORT;
- }
- $$ = (AmCommand *)malloc(sizeof(AmCommand));
- if ($$ == NULL) {
- YYABORT;
- }
- $$->line = getLexerLineNumber();
- $$->name = strdup($1);
- if ($$->name == NULL) {
- YYABORT;
- }
- $$->args = NULL;
- CommandArgumentType argType = getCommandArgumentType(cmd);
- if (argType == CMD_ARGS_BOOLEAN) {
- setLexerArgumentType(AM_BOOLEAN_ARGS);
- } else {
- setLexerArgumentType(AM_WORD_ARGS);
- }
- $$->cmd = cmd;
- }
- ;
-
-line_ending :
- TOK_EOL
- | TOK_EOF
- ;
-
-arguments : boolean_expression
- {
- $$ = (AmCommandArguments *)malloc(
- sizeof(AmCommandArguments));
- if ($$ == NULL) {
- YYABORT;
- }
- $$->booleanArgs = true;
- $$->u.b = $1;
- }
- | word_list
- {
- /* Convert the builder list into an array.
- * Do it in reverse order; the words were pushed
- * onto the list in LIFO order.
- */
- AmWordList *w = (AmWordList *)malloc(sizeof(AmWordList));
- if (w == NULL) {
- YYABORT;
- }
- if ($1 != NULL) {
- AmWordListBuilder *words = $1;
-
- w->argc = words->wordCount;
- w->argv = (const char **)malloc(w->argc *
- sizeof(char *));
- if (w->argv == NULL) {
- YYABORT;
- }
- int i;
- for (i = w->argc; words != NULL && i > 0; --i) {
- AmWordListBuilder *f = words;
- w->argv[i-1] = words->word;
- words = words->next;
- free(f);
- }
- assert(i == 0);
- assert(words == NULL);
- } else {
- w->argc = 0;
- w->argv = NULL;
- }
- $$ = (AmCommandArguments *)malloc(
- sizeof(AmCommandArguments));
- if ($$ == NULL) {
- YYABORT;
- }
- $$->booleanArgs = false;
- $$->u.w = w;
- }
- ;
-
-word_list : /* empty */
- { $$ = NULL; }
- | word_list TOK_WORD
- {
- if ($1 == NULL) {
- $$ = (AmWordListBuilder *)malloc(
- sizeof(AmWordListBuilder));
- if ($$ == NULL) {
- YYABORT;
- }
- $$->next = NULL;
- $$->wordCount = 1;
- } else {
- $$ = (AmWordListBuilder *)malloc(
- sizeof(AmWordListBuilder));
- if ($$ == NULL) {
- YYABORT;
- }
- $$->next = $1;
- $$->wordCount = $$->next->wordCount + 1;
- }
- $$->word = strdup($2);
- if ($$->word == NULL) {
- YYABORT;
- }
- }
- ;
-
-boolean_expression :
- '!' boolean_expression
- {
- $$ = (AmBooleanValue *)malloc(sizeof(AmBooleanValue));
- if ($$ == NULL) {
- YYABORT;
- }
- $$->type = AM_BVAL_EXPRESSION;
- $$->u.expression.op = AM_BOP_NOT;
- $$->u.expression.arg1 = $2;
- $$->u.expression.arg2 = NULL;
- }
- /* TODO: if both expressions are literals, evaluate now */
- | boolean_expression TOK_AND boolean_expression
- { BOOLEAN_EXPRESSION($$, $1, AM_BOP_AND, $3); }
- | boolean_expression TOK_OR boolean_expression
- { BOOLEAN_EXPRESSION($$, $1, AM_BOP_OR, $3); }
- | boolean_expression TOK_EQ boolean_expression
- { BOOLEAN_EXPRESSION($$, $1, AM_BOP_EQ, $3); }
- | boolean_expression TOK_NE boolean_expression
- { BOOLEAN_EXPRESSION($$, $1, AM_BOP_NE, $3); }
- | '(' boolean_expression ')'
- { $$ = $2; }
- /* TODO: if both strings are literals, evaluate now */
- | string_value '<' string_value
- { STRING_COMPARISON($$, $1, AM_SOP_LT, $3); }
- | string_value '>' string_value
- { STRING_COMPARISON($$, $1, AM_SOP_GT, $3); }
- | string_value TOK_EQ string_value
- { STRING_COMPARISON($$, $1, AM_SOP_EQ, $3); }
- | string_value TOK_NE string_value
- { STRING_COMPARISON($$, $1, AM_SOP_NE, $3); }
- | string_value TOK_LE string_value
- { STRING_COMPARISON($$, $1, AM_SOP_LE, $3); }
- | string_value TOK_GE string_value
- { STRING_COMPARISON($$, $1, AM_SOP_GE, $3); }
- ;
-
-string_value :
- TOK_IDENTIFIER
- {
- $$ = (AmStringValue *)malloc(sizeof(AmStringValue));
- if ($$ == NULL) {
- YYABORT;
- }
- $$->type = AM_SVAL_LITERAL;
- $$->u.literal = strdup($1);
- if ($$->u.literal == NULL) {
- YYABORT;
- }
- }
- | TOK_STRING
- {
- $$ = (AmStringValue *)malloc(sizeof(AmStringValue));
- if ($$ == NULL) {
- YYABORT;
- }
- $$->type = AM_SVAL_LITERAL;
- $$->u.literal = strdup($1);
- if ($$->u.literal == NULL) {
- YYABORT;
- }
- }
- | function_call
- {
- $$ = (AmStringValue *)malloc(sizeof(AmStringValue));
- if ($$ == NULL) {
- YYABORT;
- }
- $$->type = AM_SVAL_FUNCTION;
- $$->u.function = $1;
- }
- ;
-
- /* We can't just say
- * TOK_IDENTIFIER '(' function_arguments_or_empty ')'
- * because parsing function_arguments_or_empty will clobber
- * the underlying string that yylval.literalString points to.
- */
-function_call :
- function_name '(' function_arguments_or_empty ')'
- {
- Function *fn = findFunction($1);
- if (fn == NULL) {
- fprintf(stderr, "Unknown function \"%s\"\n", $1);
- YYABORT;
- }
- $$ = (AmFunctionCall *)malloc(sizeof(AmFunctionCall));
- if ($$ == NULL) {
- YYABORT;
- }
- $$->name = $1;
- if ($$->name == NULL) {
- YYABORT;
- }
- $$->fn = fn;
- $$->args = $3;
- }
- ;
-
-function_name :
- TOK_IDENTIFIER
- {
- $$ = strdup($1);
- }
- ;
-
-function_arguments_or_empty :
- /* empty */
- {
- $$ = (AmFunctionArguments *)malloc(
- sizeof(AmFunctionArguments));
- if ($$ == NULL) {
- YYABORT;
- }
- $$->argc = 0;
- $$->argv = NULL;
- }
- | function_arguments
- {
- AmFunctionArgumentBuilder *args = $1;
- assert(args != NULL);
-
- /* Convert the builder list into an array.
- * Do it in reverse order; the args were pushed
- * onto the list in LIFO order.
- */
- $$ = (AmFunctionArguments *)malloc(
- sizeof(AmFunctionArguments));
- if ($$ == NULL) {
- YYABORT;
- }
- $$->argc = args->argCount;
- $$->argv = (AmStringValue *)malloc(
- $$->argc * sizeof(AmStringValue));
- if ($$->argv == NULL) {
- YYABORT;
- }
- int i;
- for (i = $$->argc; args != NULL && i > 0; --i) {
- AmFunctionArgumentBuilder *f = args;
- $$->argv[i-1] = *args->arg;
- args = args->next;
- free(f->arg);
- free(f);
- }
- assert(i == 0);
- assert(args == NULL);
- }
- ;
-
-function_arguments :
- string_value
- {
- $$ = (AmFunctionArgumentBuilder *)malloc(
- sizeof(AmFunctionArgumentBuilder));
- if ($$ == NULL) {
- YYABORT;
- }
- $$->next = NULL;
- $$->argCount = 1;
- $$->arg = $1;
- }
- | function_arguments ',' string_value
- {
- $$ = (AmFunctionArgumentBuilder *)malloc(
- sizeof(AmFunctionArgumentBuilder));
- if ($$ == NULL) {
- YYABORT;
- }
- $$->next = $1;
- $$->argCount = $$->next->argCount + 1;
- $$->arg = $3;
- }
- ;
- /* xxx this whole tool needs to be hardened */
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 00:26:20 +0100