diff options
Diffstat (limited to 'amend/main.c')
| -rw-r--r-- | amend/main.c | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/amend/main.c b/amend/main.c new file mode 100644 index 0000000..9bb0785 --- /dev/null +++ b/amend/main.c @@ -0,0 +1,195 @@ +/* + * 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. + */ + +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include "ast.h" +#include "lexer.h" +#include "parser.h" +#include "register.h" +#include "execute.h" + +void +lexTest() +{ + int token; + do { + token = yylex(); + if (token == 0) { + printf(" EOF"); + fflush(stdout); + break; + } else { + printf(" %s", tokenToString(token)); + fflush(stdout); + if (token == TOK_IDENTIFIER) { + if (strcmp(yylval.literalString, "assert") == 0) { + setLexerArgumentType(AM_BOOLEAN_ARGS); + } else { + setLexerArgumentType(AM_WORD_ARGS); + } + do { + token = yylex(); + printf(" %s", tokenToString(token)); + fflush(stdout); + } while (token != TOK_EOL && token != TOK_EOF && token != 0); + } else if (token != TOK_EOL) { + fprintf(stderr, "syntax error: expected identifier\n"); + break; + } + } + } while (token != 0); + printf("\n"); +} + +void +usage() +{ + printf("usage: amend [--debug-lex|--debug-ast] [<filename>]\n"); + exit(1); +} + +extern const AmCommandList *gCommands; +int +main(int argc, char *argv[]) +{ + FILE *inputFile = NULL; + bool debugLex = false; + bool debugAst = false; + const char *fileName = NULL; + int err; + +#if 1 + extern int test_symtab(void); + int ret = test_symtab(); + if (ret != 0) { + fprintf(stderr, "test_symtab() failed: %d\n", ret); + exit(ret); + } + extern int test_cmd_fn(void); + ret = test_cmd_fn(); + if (ret != 0) { + fprintf(stderr, "test_cmd_fn() failed: %d\n", ret); + exit(ret); + } + extern int test_permissions(void); + ret = test_permissions(); + if (ret != 0) { + fprintf(stderr, "test_permissions() failed: %d\n", ret); + exit(ret); + } +#endif + + argc--; + argv++; + while (argc > 0) { + if (strcmp("--debug-lex", argv[0]) == 0) { + debugLex = true; + } else if (strcmp("--debug-ast", argv[0]) == 0) { + debugAst = true; + } else if (argv[0][0] == '-') { + fprintf(stderr, "amend: Unknown option \"%s\"\n", argv[0]); + usage(); + } else { + fileName = argv[0]; + } + argc--; + argv++; + } + + if (fileName != NULL) { + inputFile = fopen(fileName, "r"); + if (inputFile == NULL) { + fprintf(stderr, "amend: Can't open input file '%s'\n", fileName); + usage(); + } + } + + commandInit(); +//xxx clean up + + err = registerUpdateCommands(); + if (err < 0) { + fprintf(stderr, "amend: Error registering commands: %d\n", err); + exit(-err); + } + err = registerUpdateFunctions(); + if (err < 0) { + fprintf(stderr, "amend: Error registering functions: %d\n", err); + exit(-err); + } + +#if AMEND_LEXER_BUFFER_INPUT + if (inputFile == NULL) { + fprintf(stderr, "amend: No input file\n"); + usage(); + } + char *fileData; + int fileDataLen; + fseek(inputFile, 0, SEEK_END); + fileDataLen = ftell(inputFile); + rewind(inputFile); + if (fileDataLen < 0) { + fprintf(stderr, "amend: Can't get file length\n"); + exit(2); + } else if (fileDataLen == 0) { + printf("amend: Empty input file\n"); + exit(0); + } + fileData = (char *)malloc(fileDataLen + 1); + if (fileData == NULL) { + fprintf(stderr, "amend: Can't allocate %d bytes\n", fileDataLen + 1); + exit(2); + } + size_t nread = fread(fileData, 1, fileDataLen, inputFile); + if (nread != (size_t)fileDataLen) { + fprintf(stderr, "amend: Didn't read %d bytes, only %zd\n", fileDataLen, + nread); + exit(2); + } + fileData[fileDataLen] = '\0'; + setLexerInputBuffer(fileData, fileDataLen); +#else + if (inputFile == NULL) { + inputFile = stdin; + } + yyset_in(inputFile); +#endif + + if (debugLex) { + lexTest(); + } else { + int ret = yyparse(); + if (ret != 0) { + fprintf(stderr, "amend: Parse failed (%d)\n", ret); + exit(2); + } else { + if (debugAst) { + dumpCommandList(gCommands); + } +printf("amend: Parse successful.\n"); + ret = execCommandList((ExecContext *)1, gCommands); + if (ret != 0) { + fprintf(stderr, "amend: Execution failed (%d)\n", ret); + exit(3); + } +printf("amend: Execution successful.\n"); + } + } + + return 0; +} |