diff options
Diffstat (limited to 'src/tparse/tree-value.go')
-rw-r--r-- | src/tparse/tree-value.go | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/src/tparse/tree-value.go b/src/tparse/tree-value.go new file mode 100644 index 0000000..1a057d4 --- /dev/null +++ b/src/tparse/tree-value.go @@ -0,0 +1,100 @@ +/* + Copyright 2020 Kyle Gunger + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ + +package tparse + +func parseValue(tokens *[]Token, tok, max int) (Node, int) { + out := Node{} + + for ; tok < max; tok++ { + t := (*tokens)[tok] + switch t.Type { + case LITERAL: + case DEFWORD: + case DELIMIT: + } + } + + return out, tok +} + +func parseVoidType(tokens *[]Token, tok, max int) (Node, int) { + out := Node{} + + for ; tok < max; tok++ { + //t := (*tokens)[tok] + } + + return out, tok +} + +func parseType(tokens *[]Token, tok, max int, param bool) (Node, int) { + out := Node{} + working := &out + + for ; tok < max; tok++ { + t := (*tokens)[tok] + switch t.Type { + case AUGMENT: + if t.Data != "~" { + errOut("Error: unexpected augment token when parsing type", t) + } + working.Data = t + + case KEYTYPE: + if t.Data == "void" { + *working, tok = parseVoidType(tokens, tok, max) + } else { + working.Data = t + } + + return out, tok + + case DEFWORD: + if (*tokens)[tok+1].Data == "(" { + + } + + case KEYWORD: + if param && t.Data == "static" { + errOut("Error: parameter types cannot be static", t) + } else if t.Data != "const" && t.Data != "volatile" && t.Data != "static" { + errOut("Error: unexpected keyword when parsing type", t) + } + working.Data = t + + case DELIMIT: + if t.Data == "{" { + if (*tokens)[tok+1].Data == "}" { + working.Data = Token{9, "array", t.Line, t.Char} + tok++ + } else { + errOut("Error: start of list when parsing type (did you mean {} ?)", t) + } + } else { + errOut("Error: start of list when parsing type", t) + } + + default: + errOut("Error: unexpected token when parsing type", t) + } + + makeParent(working, Node{}) + working = &(working.Sub[0]) + } + + return out, tok +} |