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-rw-r--r--frontends/ilang/ilang_lexer.l13
-rw-r--r--frontends/ilang/ilang_parser.y11
2 files changed, 18 insertions, 6 deletions
diff --git a/frontends/ilang/ilang_lexer.l b/frontends/ilang/ilang_lexer.l
index 4fd0ae855..62f53d18e 100644
--- a/frontends/ilang/ilang_lexer.l
+++ b/frontends/ilang/ilang_lexer.l
@@ -29,6 +29,7 @@
#pragma clang diagnostic ignored "-Wdeprecated-register"
#endif
+#include <cstdlib>
#include "frontends/ilang/ilang_frontend.h"
#include "ilang_parser.tab.hh"
@@ -88,7 +89,16 @@ USING_YOSYS_NAMESPACE
"."[0-9]+ { rtlil_frontend_ilang_yylval.string = strdup(yytext); return TOK_ID; }
[0-9]+'[01xzm-]* { rtlil_frontend_ilang_yylval.string = strdup(yytext); return TOK_VALUE; }
--?[0-9]+ { rtlil_frontend_ilang_yylval.integer = atoi(yytext); return TOK_INT; }
+-?[0-9]+ {
+ char *end = nullptr;
+ long value = strtol(yytext, &end, 10);
+ if (end != yytext + strlen(yytext))
+ return TOK_INVALID; // literal out of range of long
+ if (value < INT_MIN || value > INT_MAX)
+ return TOK_INVALID; // literal out of range of int (relevant mostly for LP64 platforms)
+ rtlil_frontend_ilang_yylval.integer = value;
+ return TOK_INT;
+}
\" { BEGIN(STRING); }
<STRING>\\. { yymore(); }
@@ -136,4 +146,3 @@ USING_YOSYS_NAMESPACE
void *rtlil_frontend_ilang_avoid_input_warnings() {
return (void*)&yyinput;
}
-
diff --git a/frontends/ilang/ilang_parser.y b/frontends/ilang/ilang_parser.y
index 4e0b62edd..0522fa72a 100644
--- a/frontends/ilang/ilang_parser.y
+++ b/frontends/ilang/ilang_parser.y
@@ -169,7 +169,7 @@ wire_stmt:
current_wire->attributes = attrbuf;
attrbuf.clear();
} wire_options TOK_ID EOL {
- if (current_module->wires_.count($4) != 0)
+ if (current_module->wire($4) != nullptr)
rtlil_frontend_ilang_yyerror(stringf("ilang error: redefinition of wire %s.", $4).c_str());
current_module->rename(current_wire, $4);
free($4);
@@ -179,6 +179,9 @@ wire_options:
wire_options TOK_WIDTH TOK_INT {
current_wire->width = $3;
} |
+ wire_options TOK_WIDTH TOK_INVALID {
+ rtlil_frontend_ilang_yyerror("ilang error: invalid wire width");
+ } |
wire_options TOK_UPTO {
current_wire->upto = true;
} |
@@ -229,7 +232,7 @@ memory_options:
cell_stmt:
TOK_CELL TOK_ID TOK_ID EOL {
- if (current_module->cells_.count($3) != 0)
+ if (current_module->cell($3) != nullptr)
rtlil_frontend_ilang_yyerror(stringf("ilang error: redefinition of cell %s.", $3).c_str());
current_cell = current_module->addCell($3, $2);
current_cell->attributes = attrbuf;
@@ -424,9 +427,9 @@ sigspec:
delete $1;
} |
TOK_ID {
- if (current_module->wires_.count($1) == 0)
+ if (current_module->wire($1) == nullptr)
rtlil_frontend_ilang_yyerror(stringf("ilang error: wire %s not found", $1).c_str());
- $$ = new RTLIL::SigSpec(current_module->wires_[$1]);
+ $$ = new RTLIL::SigSpec(current_module->wire($1));
free($1);
} |
sigspec '[' TOK_INT ']' {