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authorGalin Simeonov <gts@volconst.com>2021-05-31 22:02:10 +0300
committerGalin Simeonov <gts@volconst.com>2021-07-15 18:00:15 +0300
commit255a49ba5a41b3854dbdfebdec75fb6229450507 (patch)
tree616ea5786cb91d03ef609d32b402941dc30e926b /src/program/program.c
parentf768d9bdb84e846d89aac66a4f3433a44241c298 (diff)
downloadMEGATRON-255a49ba5a41b3854dbdfebdec75fb6229450507.tar.gz
added cmake file
Diffstat (limited to 'src/program/program.c')
-rw-r--r--src/program/program.c183
1 files changed, 183 insertions, 0 deletions
diff --git a/src/program/program.c b/src/program/program.c
new file mode 100644
index 0000000..5cf8cc3
--- /dev/null
+++ b/src/program/program.c
@@ -0,0 +1,183 @@
+#ifndef PROGRAM_C
+#define PROGRAM_C
+#include<program.h>
+
+struct Source* extract_source(char *src_name)
+{
+ FILE *file;
+
+ struct Source *ret;
+
+ file=fopen(src_name,"r");
+ if(file==NULL)
+ return NULL;
+ if(fseek(file,0L,SEEK_END)!=0)
+ return NULL;
+
+ ret=malloc(sizeof(struct Source));
+ ret->src_size=ftell(file);
+ ret->where_in_src=0;
+ ret->src_name=src_name;
+ ret->src=malloc(ret->src_size);
+ ret->current_column=0;
+ ret->current_row=0;
+
+ fseek(file,0L,SEEK_SET);
+
+
+ fread(ret->src,sizeof(char),ret->src_size,file);
+
+ fclose(file);
+ return ret;
+}
+struct Options* parse_command_line(int argc,char **argv)
+{
+ struct Options *ret;
+ int i;
+
+ assert(argv!=NULL && argc>0);
+
+ ret=malloc(sizeof(struct Options));
+ ret->target=OPTION_DEFAULT;
+ ret->src_name=NULL;
+ ret->is_quiet=0;
+
+ for(i=0;i<argc;++i)
+ {
+ if(!strncmp(argv[i],"--print-tokens",sizeof("--print-tokens")))
+ ret->target=OPTION_TARGET_TOKENS;
+ else if(!strncmp(argv[i],"--print-ast",sizeof("--print-ast")))
+ ret->target=OPTION_TARGET_AST;
+ else if(!strncmp(argv[i],"-o",sizeof("-o")) || !strncmp(argv[i],"--output",sizeof("--output")))
+ {
+ if(++i<argc)
+ {
+ if(strnlen(argv[i],101)<100)
+ ret->src_name=argv[i];
+ else if(!ret->is_quiet)
+ {
+ fprintf(stderr,"Error: Output filename is too long");
+ exit(1);
+ }else
+ {
+ exit(1);
+ }
+ }
+ }else if(strnlen(argv[i],101)<100)
+ {
+ ret->src_name=argv[i];
+ }else if(!ret->is_quiet)
+ {
+ fprintf(stderr,"Error: Input filename is too long");
+ exit(1);
+ }else
+ {
+ exit(1);
+ }
+
+ }
+
+ if(ret->target==OPTION_DEFAULT)
+ ret->target=OPTION_TARGET_AST;
+
+ return ret;
+}
+struct Translation_Data* get_translation_data()
+{
+ struct Translation_Data *ret;
+ ret=malloc(sizeof(struct Translation_Data));
+ ret->errors=malloc(sizeof(struct Queue));
+ ret->tokens=malloc(sizeof(struct Queue));
+
+ Queue_Init(ret->errors);
+ Queue_Init(ret->tokens);
+
+ ret->hold_number_of_errors=0;
+
+ return ret;
+}
+struct Error* get_error(char *message,size_t row,size_t column)
+{
+ struct Error *ret;
+ ret=malloc(sizeof(struct Error));
+ ret->message=message;
+ ret->row=row+1;
+ ret->column=column+1;
+}
+void push_lexing_error(char *error_message,struct Source *src,struct Translation_Data *translation_data)
+{
+ Queue_Push(translation_data->errors,get_error(error_message,src->current_row,src->current_column));
+}
+void push_parsing_error(char *error_message,struct Translation_Data *translation_data)
+{
+ struct token *error_token;
+ error_token=Queue_Pop(translation_data->tokens);
+ Queue_Push(translation_data->errors,get_error(error_message,error_token->row,error_token->column));
+}
+char has_new_errors(struct Translation_Data *translation_data)
+{
+ if(translation_data->hold_number_of_errors!=translation_data->errors->size)
+ {
+ translation_data->hold_number_of_errors=translation_data->errors->size;
+ return 1;
+ }else
+ {
+ return 0;
+ }
+}
+
+void delete_translation_data(struct Translation_Data *data)
+{
+ struct Error *hold_error;
+ struct token *hold_token;
+
+ while(data->tokens->size>0)
+ delete_token(Queue_Pop(data->tokens));
+ free(data->tokens);
+ while(data->errors->size>0)
+ delete_error(Queue_Pop(data->errors));
+ free(data->errors);
+
+ free(data);
+}
+void delete_source(struct Source *src)
+{
+ free(src->src_name);
+ free(src->src);
+ free(src);
+}
+void delete_options(struct Options *options)
+{
+ free(options);
+}
+void delete_error(struct Error *error)
+{
+ free(error->message);
+ free(error);
+}
+char get_and_check(struct Translation_Data *translation_data,enum Keyword kw)
+{
+ if( ( (struct token *)translation_data->tokens->first->data)->type==kw)
+ {
+ delete_token(Queue_Pop(translation_data->tokens));
+ return 1;
+ }else
+ {
+ return 0;
+ }
+}
+enum Keyword get_kw(struct Translation_Data *translation_data)
+{
+ return ( (struct token*)translation_data->tokens->first->data)->type;
+}
+void chomp(struct Translation_Data *translation_data)
+{
+ assert(translation_data->tokens->size>0);
+ delete_token(Queue_Pop(translation_data->tokens));
+}
+void touch_errors(struct Translation_Data *translation_data)
+{
+ assert(translation_data->hold_number_of_errors>0);
+ --translation_data->hold_number_of_errors;
+}
+#endif