diff options
Diffstat (limited to 'parse.c')
| -rw-r--r-- | parse.c | 19 |
1 files changed, 19 insertions, 0 deletions
@@ -75,6 +75,7 @@ typedef enum { } UnaryOp; typedef enum { + BINARY_SET, /* e.g. x = y */ BINARY_PLUS, BINARY_MINUS } BinaryOp; @@ -145,6 +146,16 @@ typedef struct { Block *block; /* which block are we in? NULL = file scope */ } Parser; +static const char *binary_op_to_str(BinaryOp b) { + switch (b) { + case BINARY_PLUS: return "+"; + case BINARY_MINUS: return "-"; + case BINARY_SET: return "="; + } + assert(0); + return ""; +} + static bool type_builtin_is_integer(BuiltinType b) { switch (b) { case BUILTIN_I8: @@ -266,6 +277,8 @@ static Expression *parser_new_expr(Parser *p) { #define NOT_AN_OP -1 static int op_precedence(Keyword op) { switch (op) { + case KW_EQ: + return 0; case KW_PLUS: return 10; case KW_MINUS: @@ -776,6 +789,9 @@ static bool parse_expr(Parser *p, Expression *e, Token *end) { case KW_MINUS: op = BINARY_MINUS; break; + case KW_EQ: + op = BINARY_SET; + break; default: assert(0); break; } e->binary.op = op; @@ -1040,6 +1056,9 @@ static void fprint_expr(FILE *out, Expression *e) { case BINARY_MINUS: fprintf(out, "subtract"); break; + case BINARY_SET: + fprintf(out, "set"); + break; } fprintf(out, "("); fprint_expr(out, e->binary.lhs); |