mirror of
https://github.com/ZDoom/acc.git
synced 2024-11-15 08:51:53 +00:00
0157077f3f
veprintf() needs to make a copy to pass to the second call to vfprintf(), since it will be modified by the first call. - Removed three warnings when compiling with GCC 4.3. SVN r1328 (trunk)
430 lines
14 KiB
C
430 lines
14 KiB
C
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//**************************************************************************
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//**
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//** error.c
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//**
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//**************************************************************************
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// HEADER FILES ------------------------------------------------------------
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <string.h>
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#include "common.h"
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#include "error.h"
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#include "token.h"
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#include "misc.h"
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// MACROS ------------------------------------------------------------------
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#define ERROR_FILE_NAME "acs.err"
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// TYPES -------------------------------------------------------------------
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typedef enum
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{
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ERRINFO_GCC,
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ERRINFO_VCC
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} errorInfo_e;
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// EXTERNAL FUNCTION PROTOTYPES --------------------------------------------
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// PUBLIC FUNCTION PROTOTYPES ----------------------------------------------
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// PRIVATE FUNCTION PROTOTYPES ---------------------------------------------
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static char *ErrorText(error_t error);
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static char *ErrorFileName(void);
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static void eprintf(const char *fmt, ...);
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static void veprintf(const char *fmt, va_list args);
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// EXTERNAL DATA DECLARATIONS ----------------------------------------------
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extern char acs_SourceFileName[MAX_FILE_NAME_LENGTH];
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// PUBLIC DATA DEFINITIONS -------------------------------------------------
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// PRIVATE DATA DEFINITIONS ------------------------------------------------
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static struct
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{
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error_t number;
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char *name;
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} ErrorNames[] =
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{
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{ ERR_MISSING_SEMICOLON, "Missing semicolon." },
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{ ERR_MISSING_LPAREN, "Missing '('." },
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{ ERR_MISSING_RPAREN, "Missing ')'." },
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{ ERR_MISSING_LBRACE, "Missing '{'." },
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{ ERR_MISSING_SCRIPT_NUMBER, "Missing script number." },
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{ ERR_IDENTIFIER_TOO_LONG, "Identifier too long." },
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{ ERR_STRING_TOO_LONG, "String too long." },
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{ ERR_FILE_NAME_TOO_LONG, "File name too long.\nFile: \"%s\"" },
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{ ERR_BAD_CHARACTER, "Bad character in script text." },
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{ ERR_BAD_CHARACTER_CONSTANT, "Bad character constant in script text." },
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{ ERR_ALLOC_PCODE_BUFFER, "Failed to allocate PCODE buffer." },
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{ ERR_PCODE_BUFFER_OVERFLOW, "PCODE buffer overflow." },
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{ ERR_TOO_MANY_SCRIPTS, "Too many scripts." },
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{ ERR_TOO_MANY_FUNCTIONS, "Too many functions." },
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{ ERR_SAVE_OBJECT_FAILED, "Couldn't save object file." },
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{ ERR_MISSING_LPAREN_SCR, "Missing '(' in script definition." },
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{ ERR_INVALID_IDENTIFIER, "Invalid identifier." },
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{ ERR_REDEFINED_IDENTIFIER, "%s : Redefined identifier." },
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{ ERR_MISSING_COMMA, "Missing comma." },
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{ ERR_BAD_VAR_TYPE, "Invalid variable type." },
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{ ERR_BAD_RETURN_TYPE, "Invalid return type." },
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{ ERR_TOO_MANY_SCRIPT_ARGS, "Too many script arguments." },
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{ ERR_MISSING_LBRACE_SCR, "Missing opening '{' in script definition." },
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{ ERR_MISSING_RBRACE_SCR, "Missing closing '}' in script definition." },
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{ ERR_TOO_MANY_MAP_VARS, "Too many map variables." },
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{ ERR_TOO_MANY_SCRIPT_VARS, "Too many script variables." },
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{ ERR_TOO_MANY_FUNCTION_VARS, "Too many function variables." },
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{ ERR_MISSING_WVAR_INDEX, "Missing index in world variable declaration." },
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{ ERR_MISSING_GVAR_INDEX, "Missing index in global variable declaration." },
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{ ERR_BAD_WVAR_INDEX, "World variable index out of range." },
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{ ERR_MISSING_WVAR_COLON, "Missing colon in world variable declaration." },
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{ ERR_MISSING_GVAR_COLON, "Missing colon in global variable declaration." },
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{ ERR_MISSING_SPEC_VAL, "Missing value in special declaration." },
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{ ERR_MISSING_SPEC_COLON, "Missing colon in special declaration." },
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{ ERR_MISSING_SPEC_ARGC, "Missing argument count in special declaration." },
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{ ERR_CANT_READ_FILE, "Couldn't read file.\nFile: \"%s\"" },
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{ ERR_CANT_OPEN_FILE, "Couldn't open file.\nFile: \"%s\"" },
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{ ERR_CANT_OPEN_DBGFILE, "Couldn't open debug file." },
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{ ERR_INVALID_DIRECTIVE, "Invalid directive." },
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{ ERR_BAD_DEFINE, "Non-numeric constant found in #define." },
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{ ERR_INCL_NESTING_TOO_DEEP, "Include nesting too deep.\nUnable to include file \"%s\"." },
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{ ERR_STRING_LIT_NOT_FOUND, "String literal not found." },
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{ ERR_INVALID_DECLARATOR, "Invalid declarator." },
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{ ERR_BAD_LSPEC_ARG_COUNT, "Incorrect number of special arguments." },
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{ ERR_BAD_ARG_COUNT, "Incorrect number of arguments." },
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{ ERR_UNKNOWN_IDENTIFIER, "%s : Identifier has not been declared." },
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{ ERR_MISSING_COLON, "Missing colon." },
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{ ERR_BAD_EXPR, "Syntax error in expression." },
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{ ERR_BAD_CONST_EXPR, "Syntax error in constant expression." },
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{ ERR_NO_DIRECT_VER, "Internal function has no direct version." },
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{ ERR_ILLEGAL_EXPR_IDENT, "%s : Illegal identifier in expression." },
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{ ERR_EXPR_FUNC_NO_RET_VAL, "Function call in expression has no return value." },
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{ ERR_MISSING_ASSIGN_OP, "Missing assignment operator." },
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{ ERR_INCDEC_OP_ON_NON_VAR, "'++' or '--' used on a non-variable." },
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{ ERR_MISSING_RBRACE, "Missing '}' at end of compound statement." },
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{ ERR_INVALID_STATEMENT, "Invalid statement." },
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{ ERR_BAD_DO_STATEMENT, "Do statement not followed by 'while' or 'until'." },
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{ ERR_BAD_SCRIPT_DECL, "Bad script declaration." },
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{ ERR_CASE_OVERFLOW, "Internal Error: Case stack overflow." },
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{ ERR_BREAK_OVERFLOW, "Internal Error: Break stack overflow." },
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{ ERR_CONTINUE_OVERFLOW, "Internal Error: Continue stack overflow." },
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{ ERR_STATEMENT_OVERFLOW, "Internal Error: Statement overflow." },
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{ ERR_MISPLACED_BREAK, "Misplaced BREAK statement." },
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{ ERR_MISPLACED_CONTINUE, "Misplaced CONTINUE statement." },
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{ ERR_CASE_NOT_IN_SWITCH, "CASE must appear in switch statement." },
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{ ERR_DEFAULT_NOT_IN_SWITCH, "DEFAULT must appear in switch statement." },
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{ ERR_MULTIPLE_DEFAULT, "Only 1 DEFAULT per switch allowed." },
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{ ERR_EXPR_STACK_OVERFLOW, "Expression stack overflow." },
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{ ERR_EXPR_STACK_EMPTY, "Tried to POP empty expression stack." },
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{ ERR_UNKNOWN_CONST_EXPR_PCD, "Unknown PCD in constant expression." },
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{ ERR_BAD_RADIX_CONSTANT, "Radix out of range in integer constant." },
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{ ERR_BAD_ASSIGNMENT, "Syntax error in multiple assignment statement." },
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{ ERR_OUT_OF_MEMORY, "Out of memory." },
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{ ERR_TOO_MANY_STRINGS, "Too many strings. Current max is %d" },
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{ ERR_UNKNOWN_PRTYPE, "Unknown cast type in print statement." },
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{ ERR_SCRIPT_OUT_OF_RANGE, "Script number must be between 1 and 999." },
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{ ERR_MISSING_PARAM, "Missing required argument." },
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{ ERR_SCRIPT_ALREADY_DEFINED, "Script already has a body." },
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{ ERR_FUNCTION_ALREADY_DEFINED, "Function already has a body." },
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{ ERR_PARM_MUST_BE_VAR, "Parameter must be a variable." },
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{ ERR_LANGCODE_SIZE, "Language code must be 2 or 3 characters long." },
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{ ERR_MISSING_LBRACE_LOC, "Missing opening '{' in localization definition." },
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{ ERR_MISSING_RBRACE_LOC, "Missing closing '}' in localization definition." },
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{ ERR_MISSING_LOCALIZED, "Missing localized string." },
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{ ERR_BAD_LANGCODE, "Language code must be all letters." },
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{ ERR_MISSING_LANGCODE, "Missing language code in localization definiton." },
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{ ERR_MISSING_FONT_NAME, "Missing font name." },
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{ ERR_MISSING_LBRACE_FONTS, "Missing opening '{' in font list." },
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{ ERR_MISSING_RBRACE_FONTS, "Missing closing '}' in font list." },
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{ ERR_NOCOMPACT_NOT_HERE, "#nocompact must appear before any scripts." },
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{ ERR_MISSING_ASSIGN, "Missing '='." },
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{ ERR_PREVIOUS_NOT_VOID, "Previous use of function expected a return value." },
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{ ERR_MUST_RETURN_A_VALUE, "Function must return a value." },
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{ ERR_MUST_NOT_RETURN_A_VALUE, "Void functions cannot return a value." },
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{ ERR_SUSPEND_IN_FUNCTION, "Suspend cannot be used inside a function." },
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{ ERR_TERMINATE_IN_FUNCTION, "Terminate cannot be used inside a function." },
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{ ERR_RESTART_IN_FUNCTION, "Restart cannot be used inside a function." },
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{ ERR_RETURN_OUTSIDE_FUNCTION, "Return can only be used inside a function." },
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{ ERR_FUNC_ARGUMENT_COUNT, "Function %s should have %d argument%s." },
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{ ERR_EOF, "Unexpected end of file." },
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{ ERR_UNDEFINED_FUNC, "Function %s is used but not defined." },
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{ ERR_TOO_MANY_ARRAY_DIMS, "Too many array dimensions." },
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{ ERR_MISSING_LBRACKET, "Missing '['." },
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{ ERR_MISSING_RBRACKET, "Missing ']'." },
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{ ERR_ZERO_DIMENSION, "Arrays cannot have a dimension of zero." },
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{ ERR_TOO_MANY_DIM_USED, "%s only has %d dimensions." },
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{ ERR_ARRAY_MAPVAR_ONLY, "Only map variables can be arrays." },
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{ ERR_NOT_AN_ARRAY, "%s is not an array." },
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{ ERR_MISSING_LBRACE_ARR, "Missing opening '{' in array initializer." },
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{ ERR_MISSING_RBRACE_ARR, "Missing closing '}' in array initializer." },
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{ ERR_LATENT_IN_FUNC, "Latent functions cannot be used inside functions." },
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{ ERR_LOCAL_VAR_SHADOWED, "A global identifier already has this name." },
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{ ERR_MULTIPLE_IMPORTS, "You can only #import one file." },
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{ ERR_IMPORT_IN_EXPORT, "You cannot #import from inside an imported file." },
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{ ERR_EXPORTER_NOT_FLAGGED, "A file that you #import must have an #imported line." },
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{ ERR_TOO_MANY_IMPORTS, "Too many files imported." },
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{ ERR_NO_NEED_ARRAY_SIZE, "Only map arrays need a size." },
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{ ERR_NO_MULTIDIMENSIONS, "Only map arrays can have more than one dimension." },
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{ ERR_NEED_ARRAY_SIZE, "Missing array size." },
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{ ERR_DISCONNECT_NEEDS_1_ARG, "Disconnect scripts must have 1 argument." },
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{ ERR_UNCLOSED_WITH_ARGS, "Most special scripts must not have arguments." },
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{ ERR_NOT_A_CHAR_ARRAY, "%s has %d dimensions. Use %d subscripts to get a char array." },
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{ ERR_CANT_FIND_INCLUDE, "Couldn't find include file \"%s\"." },
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{ ERR_NONE, NULL }
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};
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static FILE *ErrorFile;
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static int ErrorCount;
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static errorInfo_e ErrorFormat;
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static char *ErrorSourceName;
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static int ErrorSourceLine;
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// CODE --------------------------------------------------------------------
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//==========================================================================
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//
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// ERR_ErrorAt
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//
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//==========================================================================
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void ERR_ErrorAt(char *source, int line)
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{
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ErrorSourceName = source;
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ErrorSourceLine = line;
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}
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//==========================================================================
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//
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// ERR_Error
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//
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//==========================================================================
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void ERR_Error(error_t error, boolean info, ...)
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{
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va_list args;
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va_start(args, info);
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ERR_ErrorV(error, info, args);
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va_end(args);
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}
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//==========================================================================
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//
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// ERR_Exit
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//
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//==========================================================================
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void ERR_Exit(error_t error, boolean info, ...)
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{
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va_list args;
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va_start(args, info);
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ERR_ErrorV(error, info, args);
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va_end(args);
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ERR_Finish();
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}
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//==========================================================================
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//
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// ERR_Finish
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//
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//==========================================================================
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void ERR_Finish(void)
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{
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if(ErrorFile)
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{
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fclose(ErrorFile);
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ErrorFile = NULL;
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}
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if(ErrorCount)
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{
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exit(1);
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}
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}
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//==========================================================================
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//
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// ShowError
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//
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//==========================================================================
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void ERR_ErrorV(error_t error, boolean info, va_list args)
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{
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char *text;
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boolean showLine = NO;
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static boolean showedInfo = NO;
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if(!ErrorFile)
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{
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ErrorFile = fopen(ErrorFileName(), "w");
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}
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if(ErrorCount == 0)
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{
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fprintf(stderr, "\n**** ERROR ****\n");
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}
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else if(ErrorCount == 100)
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{
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eprintf("More than 100 errors. Can't continue.\n");
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ERR_Finish();
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}
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ErrorCount++;
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if(info == YES)
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{
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char *source;
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int line;
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if(ErrorSourceName)
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{
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source = ErrorSourceName;
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line = ErrorSourceLine;
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ErrorSourceName = NULL;
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}
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else
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{
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source = tk_SourceName;
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line = tk_Line;
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showLine = YES;
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}
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if(showedInfo == NO)
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{ // Output info compatible with older ACCs
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// for editors that expect it.
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showedInfo = YES;
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eprintf("Line %d in file \"%s\" ...\n", line, source);
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}
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if(ErrorFormat == ERRINFO_GCC)
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{
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eprintf("%s:%d: ", source, line);
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}
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else
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{
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eprintf("%s(%d) : ", source, line);
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if(error != ERR_NONE)
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{
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eprintf("error %04d: ", error);
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}
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}
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}
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if(error != ERR_NONE)
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{
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text = ErrorText(error);
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if(text != NULL)
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{
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veprintf(text, args);
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}
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eprintf("\n");
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if(showLine)
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{
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// deal with master source line and position indicator - Ty 07jan2000
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MasterSourceLine[MasterSourcePos] = '\0'; // pre-incremented already
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eprintf("> %s\n", MasterSourceLine); // the string
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eprintf(">%*s\n", MasterSourcePos, "^"); // pointer to error
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}
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}
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#if 0
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else
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{
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va_list args2;
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va_start(va_arg(args,char*), args2);
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veprintf(va_arg(args,char*), args2);
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va_end(args2);
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}
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#endif
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}
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//==========================================================================
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//
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// ERR_RemoveErrorFile
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//
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//==========================================================================
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void ERR_RemoveErrorFile(void)
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{
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remove(ErrorFileName());
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}
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//==========================================================================
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//
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// ERR_ErrorFileName
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//
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//==========================================================================
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static char *ErrorFileName(void)
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{
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static char errFileName[MAX_FILE_NAME_LENGTH];
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strcpy(errFileName, acs_SourceFileName);
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if(MS_StripFilename(errFileName) == NO)
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{
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strcpy(errFileName, ERROR_FILE_NAME);
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}
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else
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{
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strcat(errFileName, ERROR_FILE_NAME);
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}
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return errFileName;
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}
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//==========================================================================
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//
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// ErrorText
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//
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//==========================================================================
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static char *ErrorText(error_t error)
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{
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int i;
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for(i = 0; ErrorNames[i].number != ERR_NONE; i++)
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{
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if(error == ErrorNames[i].number)
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{
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return ErrorNames[i].name;
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}
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}
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return NULL;
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}
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//==========================================================================
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//
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// eprintf
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//
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//==========================================================================
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static void eprintf(const char *fmt, ...)
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{
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va_list args;
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va_start(args, fmt);
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veprintf(fmt, args);
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va_end(args);
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}
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//==========================================================================
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//
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// veprintf
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//
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//==========================================================================
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static void veprintf(const char *fmt, va_list args)
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{
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#ifdef va_copy
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va_list copy;
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va_copy(copy, args);
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#endif
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vfprintf(stderr, fmt, args);
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if(ErrorFile)
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{
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#ifdef va_copy
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vfprintf(ErrorFile, fmt, copy);
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#else
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vfprintf(ErrorFile, fmt, args);
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#endif
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}
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#ifdef va_copy
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va_end(copy);
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#endif
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}
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