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compiler: make vgen use strings.Builder & allow parser creation from string

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This commit is contained in:
joe-conigliaro
2019-09-27 21:02:01 +10:00
committed by Alexander Medvednikov
parent 8cbfd7a9da
commit ad99b82930
6 changed files with 100 additions and 69 deletions
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26
compiler/main.v
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@ -74,7 +74,7 @@ mut:
vroot string
mod string // module being built with -lib
parsers []Parser
vgen_file os.File
vgen_buf strings.Builder
}
struct Preferences {
@ -213,7 +213,7 @@ fn main() {
fn (v mut V) add_parser(parser Parser) {
for p in v.parsers {
if p.file_path == parser.file_path {
if p.id == parser.id {
return
}
}
@ -334,9 +334,10 @@ fn (v mut V) compile() {
// new vfmt is not ready yet
}
}
// Close the file with generated V code (str() methods etc) and parse it
v.vgen_file.close()
mut vgen_parser := v.new_parser(vgen_file_name)
// parse generated V code (str() methods etc)
mut vgen_parser := v.new_parser_string_id(v.vgen_buf.str(), 'vgen')
// free the string builder which held the generated methods
v.vgen_buf.free()
vgen_parser.parse(.main)
v.log('Done parsing.')
// Write everything
@ -590,13 +591,13 @@ fn (v mut V) add_v_files_to_compile() {
}
// Parse builtin imports
for file in v.files {
mut p := v.new_parser(file)
mut p := v.new_parser_file(file)
p.parse(.imports)
//if p.pref.autofree { p.scanner.text.free() free(p.scanner) }
}
// Parse user imports
for file in user_files {
mut p := v.new_parser(file)
mut p := v.new_parser_file(file)
p.parse(.imports)
//if p.pref.autofree { p.scanner.text.free() free(p.scanner) }
}
@ -615,7 +616,7 @@ fn (v mut V) add_v_files_to_compile() {
}
// Add all imports referenced by these libs
for file in vfiles {
mut p := v.new_parser(file, Pass.imports)
mut p := v.new_parser_file(file, Pass.imports)
p.parse()
if p.pref.autofree { p.scanner.text.free() free(p.scanner) }
@ -635,7 +636,7 @@ fn (v mut V) add_v_files_to_compile() {
}
// Add all imports referenced by these libs
for file in vfiles {
mut p := v.new_parser(file)
mut p := v.new_parser_file(file)
p.parse(.imports)
//if p.pref.autofree { p.scanner.text.free() free(p.scanner) }
}
@ -737,9 +738,8 @@ fn (v &V) log(s string) {
}
fn new_v(args[]string) &V {
os.rm(vgen_file_name)
vgen_file := os.open_append(vgen_file_name) or { panic(err) }
vgen_file.writeln('module main\nimport strings')
mut vgen_buf := strings.new_builder(1000)
vgen_buf.writeln('module main\nimport strings')
joined_args := args.join(' ')
target_os := get_arg(joined_args, 'os', '')
@ -932,7 +932,7 @@ fn new_v(args[]string) &V {
vroot: vroot
pref: pref
mod: mod
vgen_file: vgen_file
vgen_buf: vgen_buf
}
}