uxn

Varvara Ordinator, written in ANSI C(SDL2)
git clone https://git.eamoncaddigan.net/uxn.git
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commit a11660f57db0c6ec6fa1b1e048674d86e2a818fd
parent d15b2367f3de1a97bf4b1f2eb95883f2bbfdc361
Author: neauoire <aliceffekt@gmail.com>
Date:   Tue,  8 Aug 2023 16:46:35 -0700

(uxnasm.c) Fixed issue with lambda

Diffstat:
Msrc/uxnasm.c | 34++++++++++++++++------------------
1 file changed, 16 insertions(+), 18 deletions(-)

diff --git a/src/uxnasm.c b/src/uxnasm.c @@ -175,6 +175,15 @@ makelabel(char *name) return 1; } +static char * +makelambda(int id) +{ + scpy("lambda", p.lambda, 0x07); + p.lambda[6] = '0' + (id >> 0x4); + p.lambda[7] = '0' + (id & 0xf); + return p.lambda; +} + static int makereference(char *scope, char *label, char rune, Uint16 addr) { @@ -183,7 +192,10 @@ makereference(char *scope, char *label, char rune, Uint16 addr) if(p.refs_len >= 0x800) return error("References limit exceeded", label); r = &p.refs[p.refs_len++]; - if(label[0] == '&') { + if(label[0] == '{') { + p.lambda_stack[p.lambda_ptr++] = p.lambda_count; + scpy(makelambda(p.lambda_count++), r->name, 0x40); + } else if(label[0] == '&') { if(!sublabel(subw, scope, label + 1)) return error("Invalid sublabel", label); scpy(subw, r->name, 0x40); @@ -201,15 +213,6 @@ makereference(char *scope, char *label, char rune, Uint16 addr) return 1; } -static char * -makelambda(int id) -{ - scpy("lambda", p.lambda, 0x07); - p.lambda[6] = '0' + (id >> 0x4); - p.lambda[7] = '0' + (id & 0xf); - return p.lambda; -} - static int writebyte(Uint8 b) { @@ -361,14 +364,10 @@ parse(char *w, FILE *f) while((c = w[++i])) if(!writebyte(c)) return 0; break; - case '{': /* lambda start */ - p.lambda_stack[p.lambda_ptr++] = p.lambda_count; - makereference(p.scope, makelambda(p.lambda_count++), ' ', p.ptr + 1); - return writebyte(0x60) && writeshort(0xffff, 0); case '}': /* lambda end */ if(!makelabel(makelambda(p.lambda_stack[--p.lambda_ptr]))) return error("Invalid label", w); - return writebyte(0x6f); + break; case '[': case ']': if(slen(w) == 1) break; /* else fallthrough */ @@ -498,11 +497,10 @@ writesym(char *filename) int main(int argc, char *argv[]) { - int i = 1; FILE *src, *dst; - if(i == argc) + if(argc == 1) return error("usage", "uxnasm [-v] input.tal output.rom"); - if(argv[i][0] == '-' && argv[i][1] == 'v') + if(argv[1][0] == '-' && argv[1][1] == 'v') return !fprintf(stdout, "Uxnasm - Uxntal Assembler, 8 Aug 2023.\n"); if(!(src = fopen(argv[1], "r"))) return !error("Invalid input", argv[1]);