diff options
author | Kyle Gunger <kgunger12@gmail.com> | 2021-10-31 22:25:05 -0400 |
---|---|---|
committer | Kyle Gunger <kgunger12@gmail.com> | 2021-10-31 22:25:05 -0400 |
commit | 25e716cd730992baae64d7906b1d7eb5119f9d19 (patch) | |
tree | 0cdaebb25672b33f4d7cbdf4adc8bc8fe633fe96 | |
parent | 564c35e9f890d86d9f69e975881bcda4c6761487 (diff) |
[AST] Bugfixes
+ Fix negative number parsing
+ Fix some keyword parsing bugs
+ Fix some value parsing bugs (self, super)
-rw-r--r-- | src/tparse/tree-statement.go | 13 | ||||
-rw-r--r-- | src/tparse/tree-value.go | 11 | ||||
-rw-r--r-- | src/tparse/type.go | 13 |
3 files changed, 27 insertions, 10 deletions
diff --git a/src/tparse/tree-statement.go b/src/tparse/tree-statement.go index 718ad52..897f30d 100644 --- a/src/tparse/tree-statement.go +++ b/src/tparse/tree-statement.go @@ -62,14 +62,14 @@ func parseBlock(tokens *[]Token, tok, max int) (Node, int) { switch t.Data { case "operator": name = true - if (*tokens)[tok+1].Type != AUGMENT { + if (*tokens)[tok+1].Type != AUGMENT && (*tokens)[tok+1].Data != "delete" { errOut("You must supply an operator to overload.", t) } else if (*tokens)[tok+1].Data == "`" || (*tokens)[tok+1].Data == "~" { errOut("You may not overload the following operators: '~', '`'.", t) } tmp.Data = (*tokens)[tok+1] def.Sub = append(def.Sub, tmp) - tok += 2 + tok += 1 case "else": name = true sparse = true @@ -150,7 +150,8 @@ func parseStatement(tokens *[]Token, tok, max int) (Node, int) { var tmp Node // Check for keyword, definition, then if none of those apply, assume it's a value. - if (*tokens)[tok].Type == KEYWORD { + t := (*tokens)[tok] + if t.Type == KEYWORD && t.Data != "const" && t.Data != "volatile" && t.Data != "static" { return keywordStatement(tokens, tok, max) } else { // do check for definition @@ -200,6 +201,7 @@ func keywordStatement(tokens *[]Token, tok, max int) (Node, int) { if (*tokens)[tok].Data == "(" { tmp, tok = parseValueList(tokens, tok + 1, max) out.Sub = append(out.Sub, tmp) + tok++ } if (*tokens)[tok].Data != "{" { @@ -207,6 +209,7 @@ func keywordStatement(tokens *[]Token, tok, max int) (Node, int) { } tmp, tok = parseParamList(tokens, tok + 1, max) + tok++ case "enum": if (*tokens)[tok].Type != DEFWORD { errOut("Expected defword after enum keyword.", (*tokens)[tok]) @@ -217,6 +220,7 @@ func keywordStatement(tokens *[]Token, tok, max int) (Node, int) { if (*tokens)[tok].Data == "[" { tmp, tok = parseTypeList(tokens, tok + 1, max) out.Sub = append(out.Sub, tmp) + tok++ } if (*tokens)[tok].Data != "{" { @@ -224,6 +228,7 @@ func keywordStatement(tokens *[]Token, tok, max int) (Node, int) { } tmp, tok = parseValueList(tokens, tok + 1, max) + tok++ case "goto", "label": if (*tokens)[tok].Type != DEFWORD { errOut("Expected defword after goto or label keyword.", out.Data) @@ -242,7 +247,7 @@ func keywordStatement(tokens *[]Token, tok, max int) (Node, int) { if (*tokens)[tok].Type != DELIMIT || (*tokens)[tok].Data == "{" || (*tokens)[tok].Data == "(" { tmp, tok = parseValueList(tokens, tok, max) } - case "alloc", "salloc": + case "alloc", "salloc", "realloc": // Parse value list tmp, tok = parseValueList(tokens, tok, max) case "delete": diff --git a/src/tparse/tree-value.go b/src/tparse/tree-value.go index ac91873..d851fdc 100644 --- a/src/tparse/tree-value.go +++ b/src/tparse/tree-value.go @@ -24,6 +24,8 @@ var UNARY_PRE = map[string]int { "++": 2, "--": 2, "!": 6, + "len": 0, + "-": 0, } var UNARY_POST = map[string]int { @@ -211,7 +213,14 @@ func parseBinaryOp(tokens *[]Token, tok, max int) (Node) { } } else if t.Type == AUGMENT { order, prs := ORDER[t.Data] - if prs == false || curl > 0 || brak > 0 || parn > 0 { + if t.Data == "-" { + _, prs := ORDER[(*tokens)[tok - 1].Data] + if prs || (*tokens)[tok - 1].Data == "return" { + continue + } else if order > highOrder { + high, highOrder = tok, order + } + } else if prs == false || curl > 0 || brak > 0 || parn > 0 { continue } else if order > highOrder { high, highOrder = tok, order diff --git a/src/tparse/type.go b/src/tparse/type.go index 1e51889..8a38527 100644 --- a/src/tparse/type.go +++ b/src/tparse/type.go @@ -120,8 +120,8 @@ var RESWORD = map[string]int{ "method": KEYWORD, "override": KEYWORD, - "self": KEYWORD, - "super": KEYWORD, + "self": LITERAL, + "super": LITERAL, "operator": KEYWORD, "raw": KEYWORD, @@ -131,9 +131,10 @@ var RESWORD = map[string]int{ "true": LITERAL, "false": LITERAL, - "alloc": KEYWORD, - "calloc": KEYWORD, - "delete": KEYWORD, + "alloc": KEYWORD, + "salloc": KEYWORD, + "realloc": KEYWORD, + "delete": KEYWORD, "module": KEYWORD, "export": KEYWORD, @@ -277,6 +278,8 @@ var RESRUNES = map[string]int{ // Increment and De-increment "++": AUGMENT, "--": AUGMENT, + + "len": AUGMENT, } func maxResRunes() int { |