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Add source file and line number tracking to forthstrap to allow the user to locate forth errors much more easily. An example of the new output is given below:

Browse Source 
build@zeno:~/src/openbios/openbios-devel.pre$ ./config/scripts/switch-arch cross-ppc; make
Configuring OpenBIOS on amd64 for cross-ppc
Initializing build tree obj-ppc...ok.
Creating target Makefile...ok.
Creating config files...ok.
Building OpenBIOS for ppc
Building...error:
 HOSTCC host/kernel/stack.o
 HOSTCC forthstrap
  GEN   bootstrap.dict
bootstrap.fs:339 - foo is not defined.



git-svn-id: svn://coreboot.org/openbios/trunk/openbios-devel@704 f158a5a8-5612-0410-a976-696ce0be7e32
This commit is contained in:
Mark Cave-Ayland
2010-03-24 10:28:51 +00:00
parent 553344a5da
commit 5c73290696
1 changed files with 52 additions and 19 deletions
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67
kernel/bootstrap.c
View File

@@ -29,6 +29,7 @@
#include "cross.h"
#include "openbios-version.h"
#define MAX_PATH_LEN 256
#define MEMORY_SIZE (1024*1024) /* 1M ram for hosted system */
#define DICTIONARY_SIZE (256*1024) /* 256k for the dictionary */
@@ -44,7 +45,11 @@ static int errors = 0;
static int segfault = 0;
static int verbose = 0;
static FILE *srcfiles[128];
#define MAX_SRC_FILES 128
static FILE *srcfiles[MAX_SRC_FILES];
static char *srcfilenames[MAX_SRC_FILES];
static int srclines[MAX_SRC_FILES];
static unsigned int cursrc = 0;
#ifdef NATIVE_BITWIDTH_SMALLER_THAN_HOST_BITWIDTH
@@ -292,9 +297,14 @@ static void skipws(FILE * f)
while (!feof(f)) {
c = getc(f);
if (c == ' ' || c == '\t' || c == '\n')
if (c == ' ' || c == '\t')
continue;
if (c == '\n') {
srclines[cursrc - 1]++;
continue;
}
ungetc(c, f);
break;
}
@@ -309,7 +319,7 @@ static void skipws(FILE * f)
static int parse(FILE * f, char *line, char delim)
{
int cnt = 0, c;
int cnt = 0, c = 0;
while (!feof(f)) {
c = getc(f);
@@ -317,12 +327,17 @@ static int parse(FILE * f, char *line, char delim)
if (delim && c == delim)
break;
if ((!delim) && (c == ' ' || c == '\n' || c == '\t'))
if ((!delim) && (c == ' ' || c == '\t' || c == '\n'))
break;
line[cnt++] = c;
}
/* Update current line number */
if (c == '\n') {
srclines[cursrc - 1]++;
}
line[cnt] = 0;
return cnt;
@@ -442,21 +457,33 @@ static void add_includepath(char *path)
static FILE *fopen_include(const char *fil)
{
#define MAX_PATH_LEN 256
char fullpath[MAX_PATH_LEN];
FILE *ret;
include *incl = &includes;
while (incl) {
snprintf(fullpath, sizeof(fullpath), "%s/%s", incl->path, fil);
ret = fopen(fullpath, "r");
if (ret != NULL)
if (ret != NULL) {
#ifdef CONFIG_DEBUG_INTERPRETER
printk("Including '%s'\n", name );
#endif
srcfilenames [ cursrc ] = malloc(strlen(fil) + 1);
strcpy(srcfilenames[ cursrc ], fil);
srclines [ cursrc ] = 1;
srcfiles [ cursrc++ ] = ret;
return ret;
}
incl = incl->next;
}
return NULL;
}
/*
* This is the C version of the forth interpreter
*/
@@ -658,7 +685,7 @@ static int interpret_source(char *fil)
if (*test != 0) {
/* what is it?? */
printk("%s is not defined.\n\n", tib);
printk("%s:%d - %s is not defined.\n\n", srcfilenames[cursrc - 1], srclines[cursrc - 1], tib);
errors++;
#ifdef CONFIG_DEBUG_INTERPRETER
continue;
@@ -680,7 +707,9 @@ static int interpret_source(char *fil)
writecell(num);
}
}
fclose(f);
cursrc--;
return 0;
}
@@ -753,6 +782,7 @@ int availchar(void)
ungetc(tmp, srcfiles[cursrc-1]);
return -1;
}
fclose(srcfiles[--cursrc]);
return availchar();
@@ -770,6 +800,7 @@ int get_inputbyte( void )
tmp = getc( srcfiles[cursrc-1] );
if (tmp != EOF)
return tmp;
fclose(srcfiles[--cursrc]);
return get_inputbyte();
@@ -833,12 +864,14 @@ static void init_memory(void)
void exception(cell no)
{
printk("%s:%d: ", srcfilenames[cursrc - 1], srclines[cursrc - 1]);
switch (no) {
case -19:
printk(" undefined word.\n");
break;
default:
printk("\nError %" FMT_CELL_d " occured.\n", no);
printk("error %" FMT_CELL_d " occured.\n", no);
}
exit(1);
}
@@ -847,20 +880,20 @@ void exception(cell no)
void
include_file( const char *name )
{
FILE *file = fopen_include( name );
if( !file ) {
printk("\npanic: Failed opening '%s'\n", name );
exit(1);
}
FILE *file;
if( cursrc >= sizeof(srcfiles)/sizeof(srcfiles[0]) ) {
printk("\npanic: Maximum include depth reached!\n");
exit(1);
}
#ifdef CONFIG_DEBUG_INTERPRETER
printk("Including '%s'\n", name );
#endif
srcfiles[ cursrc++ ] = file;
file = fopen_include( name );
if( !file ) {
printk("\npanic: Failed opening file '%s'\n", name );
exit(1);
}
}
void
encode_file( const char *name )