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picoc.c
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/* picoc main program - this varies depending on your operating system and
* how you're using picoc */
/* platform-dependent code for running programs is in this file */
#if defined(UNIX_HOST) || defined(WIN32)
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#endif
/* include only picoc.h here - should be able to use it with only the
external interfaces, no internals from interpreter.h */
#include "picoc.h"
#include "stats.h"
#if defined(UNIX_HOST) || defined(WIN32)
#include "LICENSE.h"
/* Override via STACKSIZE environment variable */
#define PICOC_STACK_SIZE (32*1024*1024)
int main(int argc, char **argv)
{
int ParamCount = 1;
int DontRunMain = false;
int CollectStats = false;
long StatsType = 0;
int StackSize = getenv("STACKSIZE") ? atoi(getenv("STACKSIZE")) : PICOC_STACK_SIZE;
Picoc pc;
if (argc < 2 || strcmp(argv[ParamCount], "-h") == 0) {
printf(PICOC_VERSION " \n"
"Format:\n\n"
"> picoc <file1.c>... [- <arg1>...] : run a program, calls main() as the entry point\n"
"> picoc -s <file1.c>... [- <arg1>...] : run a script, runs the program without calling main()\n"
"> picoc -d[type] <file1.c>... [- <arg1>...] : run a program, outputting debugging stats\n"
"> picoc -r : output list of run modes, then quit\n"
"> picoc -t : output list of tokens, then quit\n"
"> picoc -y : output list of basic types, then quit\n"
"> picoc -i : interactive mode, Ctrl+d to exit\n"
"> picoc -c : copyright info\n"
"> picoc -h : this help message\n");
return 0;
}
if (strcmp(argv[ParamCount], "-c") == 0) {
printf("%s\n", (char*)&__LICENSE);
return 0;
}
PicocInitialize(&pc, StackSize);
if (strcmp(argv[ParamCount], "-s") == 0) {
DontRunMain = true;
PicocIncludeAllSystemHeaders(&pc);
ParamCount++;
} else if (strncmp(argv[ParamCount], "-r", 2) == 0) {
stats_print_runmode_list();
return 0;
} else if (strncmp(argv[ParamCount], "-t", 2) == 0) {
stats_print_token_list();
return 0;
} else if (strncmp(argv[ParamCount], "-y", 2) == 0) {
stats_print_types_list();
return 0;
} else if (strncmp(argv[ParamCount], "-d", 2) == 0) {
if (strlen(argv[ParamCount]) > 2) {
StatsType = strtol(&argv[ParamCount][2], NULL, 0);
}
CollectStats = true;
pc.CollectStats = true;
if (StatsType >= 0x1000) {
pc.PrintMemory = true;
StatsType -= 0x1000;
}
if (StatsType >= 0x100) {
pc.PrintExpressions = true;
StatsType -= 0x100;
}
if (StatsType >= 0x10) {
pc.PrintStats = true;
StatsType -= 0x10;
}
if (StatsType == 0xa)
pc.CollectFullExpressions = true;
ParamCount++;
}
if (argc > ParamCount && strcmp(argv[ParamCount], "-i") == 0) {
PicocIncludeAllSystemHeaders(&pc);
PicocParseInteractive(&pc);
} else {
if (PicocPlatformSetExitPoint(&pc)) {
PicocCleanup(&pc);
return pc.PicocExitValue;
}
for (; ParamCount < argc && strcmp(argv[ParamCount], "-") != 0; ParamCount++)
PicocPlatformScanFile(&pc, argv[ParamCount]);
if (!DontRunMain)
PicocCallMain(&pc, argc - ParamCount, &argv[ParamCount]);
}
PicocCleanup(&pc);
/* Stats types:
* 0x0: Print tokens that have been seen for each run mode
* 0x1: Print all tokens for each run mode
* 0x2: Print all tokens for each run mode in CSV format (multiple rows, with header row)
* 0x3: Print all tokens for RunModeRun only in CSV format (one row, no header row)
* 0x4: Print CSV list of function definition parameter counts
* 0x5: Print CSV list of runtime function call parameter counts
* 0x6: Print maximum measured function call, loop, conditional statement and expression chain depths
* 0x7: Print number of assignments to each basic variable type
* 0x8: Print number of assignments to each basic variable type, in CSV format (one row, no header row)
* 0x9: Print summary of expressions encountered during execution and their counts
* 0xa: Print full list of expressions encountered during execution
* 0xb: Print summary information about expression chains
* 0xc: Print memory information about stack depths, frame sizes, and global variable allocations
* 0xd: Print memory information about stack depths, frame sizes, and global variable allocations, in CSV format
* 0xe: Print summary of expressions encountered during execution and their counts, in CSV format
*
* Add 0x0010 to each type to also print token information to stderr in real-time as they are parsed.
* Add 0x0100 to each type to also print expressions information to stderr in real-time as they are executed.
* Add 0x1000 to each type to also print memory information to stderr in real-time as it is allocated.
*/
if (CollectStats) {
switch (StatsType) {
case 0x00:
stats_print_tokens(false);
break;
case 0x01:
stats_print_tokens(true);
break;
case 0x02:
stats_print_tokens_csv();
break;
case 0x03:
stats_print_tokens_csv_runmode(RunModeRun);
break;
case 0x04:
stats_print_function_parameter_counts(false);
break;
case 0x05:
stats_print_function_parameter_counts(true);
break;
case 0x06:
stats_print_max_depths();
break;
case 0x07:
stats_print_assignments();
break;
case 0x08:
stats_print_assignments_csv();
break;
case 0x09:
stats_print_expressions_summary();
break;
case 0x0a:
stats_print_expression_chains();
break;
case 0x0b:
stats_print_expression_chains_summary();
break;
case 0x0c:
stats_print_memory_info();
break;
case 0x0d:
stats_print_memory_info_csv();
break;
case 0x0e:
stats_print_expressions_summary_csv();
break;
default:
break;
}
}
return pc.PicocExitValue;
}
#endif